Finding the Third Proportional to 3,941,818 and 8,498,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941,818 : 8,498,912 = 8,498,912 : x
2. Step 2: Convert to fraction form
   3,941,818/8,498,912 = 8,498,912/x
3. Step 3: Cross multiply
   3,941,818x = 8,498,912 × 8,498,912
4. Step 4: Simplify right side
   3,941,818x = 72,231,505,183,744
5. Step 5: Solve for x
   x = 72,231,505,183,744/3,941,818
6. Step 6: Final answer
   x = 18,324,414.06