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Finding the Third Proportional to 187,961.75 and 287,896.50

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Solution

The third proportional to 187,961.75 and 287,896.50 is: 440,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,961.75 : 287,896.50 = 287,896.50 : x
  2. Step 2: Convert to fraction form
    187,961.75/287,896.50 = 287,896.50/x
  3. Step 3: Cross multiply
    187,961.75x = 287,896.50 × 287,896.50
  4. Step 4: Simplify right side
    187,961.75x = 82,884,394,712.25
  5. Step 5: Solve for x
    x = 82,884,394,712.25/187,961.75
  6. Step 6: Final answer
    x = 440,964.16

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