Finding the Third Proportional to 3,155,976 and 4,465,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155,976 : 4,465,638 = 4,465,638 : x
2. Step 2: Convert to fraction form
   3,155,976/4,465,638 = 4,465,638/x
3. Step 3: Cross multiply
   3,155,976x = 4,465,638 × 4,465,638
4. Step 4: Simplify right side
   3,155,976x = 19,941,922,747,044
5. Step 5: Solve for x
   x = 19,941,922,747,044/3,155,976
6. Step 6: Final answer
   x = 6,318,781.49