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Finding the Third Proportional to 8,178,529.50 and 12,699,969.75

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Solution

The third proportional to 8,178,529.50 and 12,699,969.75 is: 19,721,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,529.50 : 12,699,969.75 = 12,699,969.75 : x
  2. Step 2: Convert to fraction form
    8,178,529.50/12,699,969.75 = 12,699,969.75/x
  3. Step 3: Cross multiply
    8,178,529.50x = 12,699,969.75 × 12,699,969.75
  4. Step 4: Simplify right side
    8,178,529.50x = 161,289,231,650,915.06
  5. Step 5: Solve for x
    x = 161,289,231,650,915.06/8,178,529.50
  6. Step 6: Final answer
    x = 19,721,055.19

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