Finding the Third Proportional to 3,822,720 and 8,212,098

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822,720 : 8,212,098 = 8,212,098 : x
2. Step 2: Convert to fraction form
   3,822,720/8,212,098 = 8,212,098/x
3. Step 3: Cross multiply
   3,822,720x = 8,212,098 × 8,212,098
4. Step 4: Simplify right side
   3,822,720x = 67,438,553,561,604
5. Step 5: Solve for x
   x = 67,438,553,561,604/3,822,720
6. Step 6: Final answer
   x = 17,641,510.12