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Finding the Third Proportional to 178,439.75 and 262,729.75

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Solution

The third proportional to 178,439.75 and 262,729.75 is: 386,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,439.75 : 262,729.75 = 262,729.75 : x
  2. Step 2: Convert to fraction form
    178,439.75/262,729.75 = 262,729.75/x
  3. Step 3: Cross multiply
    178,439.75x = 262,729.75 × 262,729.75
  4. Step 4: Simplify right side
    178,439.75x = 69,026,921,535.06
  5. Step 5: Solve for x
    x = 69,026,921,535.06/178,439.75
  6. Step 6: Final answer
    x = 386,836.01

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