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Finding the Third Proportional to 271,865.25 and 399,778.88

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Solution

The third proportional to 271,865.25 and 399,778.88 is: 587,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,865.25 : 399,778.88 = 399,778.88 : x
  2. Step 2: Convert to fraction form
    271,865.25/399,778.88 = 399,778.88/x
  3. Step 3: Cross multiply
    271,865.25x = 399,778.88 × 399,778.88
  4. Step 4: Simplify right side
    271,865.25x = 159,823,148,896.27
  5. Step 5: Solve for x
    x = 159,823,148,896.27/271,865.25
  6. Step 6: Final answer
    x = 587,876.34

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