Finding the Third Proportional to 404,325,832.50 and 591,325,542

Step by Step Solution

1. Step 1: Write the proportion equation
   404,325,832.50 : 591,325,542 = 591,325,542 : x
2. Step 2: Convert to fraction form
   404,325,832.50/591,325,542 = 591,325,542/x
3. Step 3: Cross multiply
   404,325,832.50x = 591,325,542 × 591,325,542
4. Step 4: Simplify right side
   404,325,832.50x = 349,665,896,621,593,792
5. Step 5: Solve for x
   x = 349,665,896,621,593,792/404,325,832.50
6. Step 6: Final answer
   x = 864,812,160.18