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Finding the Third Proportional to 71,939.25 and 108,912.38

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Solution

The third proportional to 71,939.25 and 108,912.38 is: 164,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939.25 : 108,912.38 = 108,912.38 : x
  2. Step 2: Convert to fraction form
    71,939.25/108,912.38 = 108,912.38/x
  3. Step 3: Cross multiply
    71,939.25x = 108,912.38 × 108,912.38
  4. Step 4: Simplify right side
    71,939.25x = 11,861,905,428.14
  5. Step 5: Solve for x
    x = 11,861,905,428.14/71,939.25
  6. Step 6: Final answer
    x = 164,887.81

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