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Finding the Third Proportional to 86,978 and 127,395

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Solution

The third proportional to 86,978 and 127,395 is: 186,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,978 : 127,395 = 127,395 : x
  2. Step 2: Convert to fraction form
    86,978/127,395 = 127,395/x
  3. Step 3: Cross multiply
    86,978x = 127,395 × 127,395
  4. Step 4: Simplify right side
    86,978x = 16,229,486,025
  5. Step 5: Solve for x
    x = 16,229,486,025/86,978
  6. Step 6: Final answer
    x = 186,593.00

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