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Finding the Third Proportional to 199,432,978 and 306,353,474

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Solution

The third proportional to 199,432,978 and 306,353,474 is: 470,596,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432,978 : 306,353,474 = 306,353,474 : x
  2. Step 2: Convert to fraction form
    199,432,978/306,353,474 = 306,353,474/x
  3. Step 3: Cross multiply
    199,432,978x = 306,353,474 × 306,353,474
  4. Step 4: Simplify right side
    199,432,978x = 93,852,451,031,868,672
  5. Step 5: Solve for x
    x = 93,852,451,031,868,672/199,432,978
  6. Step 6: Final answer
    x = 470,596,447.85

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