Finding the Third Proportional to 8,491,138 and 17,940,676

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491,138 : 17,940,676 = 17,940,676 : x
2. Step 2: Convert to fraction form
   8,491,138/17,940,676 = 17,940,676/x
3. Step 3: Cross multiply
   8,491,138x = 17,940,676 × 17,940,676
4. Step 4: Simplify right side
   8,491,138x = 321,867,855,336,976
5. Step 5: Solve for x
   x = 321,867,855,336,976/8,491,138
6. Step 6: Final answer
   x = 37,906,327.20