Finding the Third Proportional to 8,491,137 and 17,940,674

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491,137 : 17,940,674 = 17,940,674 : x
2. Step 2: Convert to fraction form
   8,491,137/17,940,674 = 17,940,674/x
3. Step 3: Cross multiply
   8,491,137x = 17,940,674 × 17,940,674
4. Step 4: Simplify right side
   8,491,137x = 321,867,783,574,276
5. Step 5: Solve for x
   x = 321,867,783,574,276/8,491,137
6. Step 6: Final answer
   x = 37,906,323.21