Finding the Third Proportional to 181,608,064 and 398,536,448

Step by Step Solution

1. Step 1: Write the proportion equation
   181,608,064 : 398,536,448 = 398,536,448 : x
2. Step 2: Convert to fraction form
   181,608,064/398,536,448 = 398,536,448/x
3. Step 3: Cross multiply
   181,608,064x = 398,536,448 × 398,536,448
4. Step 4: Simplify right side
   181,608,064x = 158,831,300,384,456,704
5. Step 5: Solve for x
   x = 158,831,300,384,456,704/181,608,064
6. Step 6: Final answer
   x = 874,582,862.05