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Finding the Third Proportional to 486,542.25 and 774,783.75

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Solution

The third proportional to 486,542.25 and 774,783.75 is: 1,233,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,542.25 : 774,783.75 = 774,783.75 : x
  2. Step 2: Convert to fraction form
    486,542.25/774,783.75 = 774,783.75/x
  3. Step 3: Cross multiply
    486,542.25x = 774,783.75 × 774,783.75
  4. Step 4: Simplify right side
    486,542.25x = 600,289,859,264.06
  5. Step 5: Solve for x
    x = 600,289,859,264.06/486,542.25
  6. Step 6: Final answer
    x = 1,233,787.73

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