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Finding the Third Proportional to 20,123,978 and 31,381,711

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Solution

The third proportional to 20,123,978 and 31,381,711 is: 48,937,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,978 : 31,381,711 = 31,381,711 : x
  2. Step 2: Convert to fraction form
    20,123,978/31,381,711 = 31,381,711/x
  3. Step 3: Cross multiply
    20,123,978x = 31,381,711 × 31,381,711
  4. Step 4: Simplify right side
    20,123,978x = 984,811,785,287,521
  5. Step 5: Solve for x
    x = 984,811,785,287,521/20,123,978
  6. Step 6: Final answer
    x = 48,937,232.26

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