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Finding the Third Proportional to 36,690,978 and 78,634,148

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Solution

The third proportional to 36,690,978 and 78,634,148 is: 168,524,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690,978 : 78,634,148 = 78,634,148 : x
  2. Step 2: Convert to fraction form
    36,690,978/78,634,148 = 78,634,148/x
  3. Step 3: Cross multiply
    36,690,978x = 78,634,148 × 78,634,148
  4. Step 4: Simplify right side
    36,690,978x = 6,183,329,231,685,904
  5. Step 5: Solve for x
    x = 6,183,329,231,685,904/36,690,978
  6. Step 6: Final answer
    x = 168,524,513.89

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