Finding the Third Proportional to 3,906,785.50 and 8,112,995

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,785.50 : 8,112,995 = 8,112,995 : x
2. Step 2: Convert to fraction form
   3,906,785.50/8,112,995 = 8,112,995/x
3. Step 3: Cross multiply
   3,906,785.50x = 8,112,995 × 8,112,995
4. Step 4: Simplify right side
   3,906,785.50x = 65,820,687,870,025
5. Step 5: Solve for x
   x = 65,820,687,870,025/3,906,785.50
6. Step 6: Final answer
   x = 16,847,786.47