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Finding the Third Proportional to 426,192 and 647,062.50

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Solution

The third proportional to 426,192 and 647,062.50 is: 982,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,192 : 647,062.50 = 647,062.50 : x
  2. Step 2: Convert to fraction form
    426,192/647,062.50 = 647,062.50/x
  3. Step 3: Cross multiply
    426,192x = 647,062.50 × 647,062.50
  4. Step 4: Simplify right side
    426,192x = 418,689,878,906.25
  5. Step 5: Solve for x
    x = 418,689,878,906.25/426,192
  6. Step 6: Final answer
    x = 982,397.32

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