Finding the Third Proportional to 2,218,215 and 4,541,325

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,215 : 4,541,325 = 4,541,325 : x
2. Step 2: Convert to fraction form
   2,218,215/4,541,325 = 4,541,325/x
3. Step 3: Cross multiply
   2,218,215x = 4,541,325 × 4,541,325
4. Step 4: Simplify right side
   2,218,215x = 20,623,632,755,625
5. Step 5: Solve for x
   x = 20,623,632,755,625/2,218,215
6. Step 6: Final answer
   x = 9,297,400.28