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Finding the Third Proportional to 279,904.50 and 432,292.50

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Solution

The third proportional to 279,904.50 and 432,292.50 is: 667,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,904.50 : 432,292.50 = 432,292.50 : x
  2. Step 2: Convert to fraction form
    279,904.50/432,292.50 = 432,292.50/x
  3. Step 3: Cross multiply
    279,904.50x = 432,292.50 × 432,292.50
  4. Step 4: Simplify right side
    279,904.50x = 186,876,805,556.25
  5. Step 5: Solve for x
    x = 186,876,805,556.25/279,904.50
  6. Step 6: Final answer
    x = 667,644.88

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