Finding the Third Proportional to 3,644,280 and 5,657,418

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644,280 : 5,657,418 = 5,657,418 : x
2. Step 2: Convert to fraction form
   3,644,280/5,657,418 = 5,657,418/x
3. Step 3: Cross multiply
   3,644,280x = 5,657,418 × 5,657,418
4. Step 4: Simplify right side
   3,644,280x = 32,006,378,426,724
5. Step 5: Solve for x
   x = 32,006,378,426,724/3,644,280
6. Step 6: Final answer
   x = 8,782,634.27