Finding the Third Proportional to 3,906,315 and 8,568,998

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,315 : 8,568,998 = 8,568,998 : x
2. Step 2: Convert to fraction form
   3,906,315/8,568,998 = 8,568,998/x
3. Step 3: Cross multiply
   3,906,315x = 8,568,998 × 8,568,998
4. Step 4: Simplify right side
   3,906,315x = 73,427,726,724,004
5. Step 5: Solve for x
   x = 73,427,726,724,004/3,906,315
6. Step 6: Final answer
   x = 18,797,185.26