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Finding the Third Proportional to 476,104.50 and 645,880.50

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Solution

The third proportional to 476,104.50 and 645,880.50 is: 876,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,104.50 : 645,880.50 = 645,880.50 : x
  2. Step 2: Convert to fraction form
    476,104.50/645,880.50 = 645,880.50/x
  3. Step 3: Cross multiply
    476,104.50x = 645,880.50 × 645,880.50
  4. Step 4: Simplify right side
    476,104.50x = 417,161,620,280.25
  5. Step 5: Solve for x
    x = 417,161,620,280.25/476,104.50
  6. Step 6: Final answer
    x = 876,197.60

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