
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In a list of five numbers, the first number is 60 and the last number is 300. The product of the first three numbers is 810000, the product of the three in the middle is 2430000, and the product of the last three numbers is 8100000. Which number is third in the list?

Present the answer in LaTex format: \boxed{Your answer}
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