Finding the Third Proportional to 3,542,676 and 5,639,814

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,676 : 5,639,814 = 5,639,814 : x
2. Step 2: Convert to fraction form
   3,542,676/5,639,814 = 5,639,814/x
3. Step 3: Cross multiply
   3,542,676x = 5,639,814 × 5,639,814
4. Step 4: Simplify right side
   3,542,676x = 31,807,501,954,596
5. Step 5: Solve for x
   x = 31,807,501,954,596/3,542,676
6. Step 6: Final answer
   x = 8,978,382.99