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Finding the Third Proportional to 177,788,978 and 267,156,806

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Solution

The third proportional to 177,788,978 and 267,156,806 is: 401,446,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788,978 : 267,156,806 = 267,156,806 : x
  2. Step 2: Convert to fraction form
    177,788,978/267,156,806 = 267,156,806/x
  3. Step 3: Cross multiply
    177,788,978x = 267,156,806 × 267,156,806
  4. Step 4: Simplify right side
    177,788,978x = 71,372,758,992,121,632
  5. Step 5: Solve for x
    x = 71,372,758,992,121,632/177,788,978
  6. Step 6: Final answer
    x = 401,446,477.70

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