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Finding the Third Proportional to 85,251.75 and 127,878.75

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Solution

The third proportional to 85,251.75 and 127,878.75 is: 191,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.75 : 127,878.75 = 127,878.75 : x
  2. Step 2: Convert to fraction form
    85,251.75/127,878.75 = 127,878.75/x
  3. Step 3: Cross multiply
    85,251.75x = 127,878.75 × 127,878.75
  4. Step 4: Simplify right side
    85,251.75x = 16,352,974,701.56
  5. Step 5: Solve for x
    x = 16,352,974,701.56/85,251.75
  6. Step 6: Final answer
    x = 191,819.81

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