Finding the Third Proportional to 353,632,229.16 and 743,911,436.25

Step by Step Solution

1. Step 1: Write the proportion equation
   353,632,229.16 : 743,911,436.25 = 743,911,436.25 : x
2. Step 2: Convert to fraction form
   353,632,229.16/743,911,436.25 = 743,911,436.25/x
3. Step 3: Cross multiply
   353,632,229.16x = 743,911,436.25 × 743,911,436.25
4. Step 4: Simplify right side
   353,632,229.16x = 553,404,224,983,537,792
5. Step 5: Solve for x
   x = 553,404,224,983,537,792/353,632,229.16
6. Step 6: Final answer
   x = 1,564,914,561.96