Finding the Third Proportional to 3,941,822 and 8,498,920

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941,822 : 8,498,920 = 8,498,920 : x
2. Step 2: Convert to fraction form
   3,941,822/8,498,920 = 8,498,920/x
3. Step 3: Cross multiply
   3,941,822x = 8,498,920 × 8,498,920
4. Step 4: Simplify right side
   3,941,822x = 72,231,641,166,400
5. Step 5: Solve for x
   x = 72,231,641,166,400/3,941,822
6. Step 6: Final answer
   x = 18,324,429.96