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Finding the Third Proportional to 338,978,013.75 and 479,785,518

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Solution

The third proportional to 338,978,013.75 and 479,785,518 is: 679,082,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,978,013.75 : 479,785,518 = 479,785,518 : x
  2. Step 2: Convert to fraction form
    338,978,013.75/479,785,518 = 479,785,518/x
  3. Step 3: Cross multiply
    338,978,013.75x = 479,785,518 × 479,785,518
  4. Step 4: Simplify right side
    338,978,013.75x = 230,194,143,282,528,320
  5. Step 5: Solve for x
    x = 230,194,143,282,528,320/338,978,013.75
  6. Step 6: Final answer
    x = 679,082,813.47

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