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Finding the Third Proportional to 8,309,574 and 12,431,160

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Solution

The third proportional to 8,309,574 and 12,431,160 is: 18,597,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,574 : 12,431,160 = 12,431,160 : x
  2. Step 2: Convert to fraction form
    8,309,574/12,431,160 = 12,431,160/x
  3. Step 3: Cross multiply
    8,309,574x = 12,431,160 × 12,431,160
  4. Step 4: Simplify right side
    8,309,574x = 154,533,738,945,600
  5. Step 5: Solve for x
    x = 154,533,738,945,600/8,309,574
  6. Step 6: Final answer
    x = 18,597,071.15

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