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Finding the Third Proportional to 142,978,045 and 214,274,976

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Solution

The third proportional to 142,978,045 and 214,274,976 is: 321,124,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,978,045 : 214,274,976 = 214,274,976 : x
  2. Step 2: Convert to fraction form
    142,978,045/214,274,976 = 214,274,976/x
  3. Step 3: Cross multiply
    142,978,045x = 214,274,976 × 214,274,976
  4. Step 4: Simplify right side
    142,978,045x = 45,913,765,339,800,576
  5. Step 5: Solve for x
    x = 45,913,765,339,800,576/142,978,045
  6. Step 6: Final answer
    x = 321,124,584.83

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