Finding the Third Proportional to 8,491,139.50 and 17,940,679

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491,139.50 : 17,940,679 = 17,940,679 : x
2. Step 2: Convert to fraction form
   8,491,139.50/17,940,679 = 17,940,679/x
3. Step 3: Cross multiply
   8,491,139.50x = 17,940,679 × 17,940,679
4. Step 4: Simplify right side
   8,491,139.50x = 321,867,962,981,041
5. Step 5: Solve for x
   x = 321,867,962,981,041/8,491,139.50
6. Step 6: Final answer
   x = 37,906,333.18