Finding the Third Proportional to 254,062,462.50 and 388,395,648

Step by Step Solution

1. Step 1: Write the proportion equation
   254,062,462.50 : 388,395,648 = 388,395,648 : x
2. Step 2: Convert to fraction form
   254,062,462.50/388,395,648 = 388,395,648/x
3. Step 3: Cross multiply
   254,062,462.50x = 388,395,648 × 388,395,648
4. Step 4: Simplify right side
   254,062,462.50x = 150,851,179,385,339,904
5. Step 5: Solve for x
   x = 150,851,179,385,339,904/254,062,462.50
6. Step 6: Final answer
   x = 593,756,267.26