Finding the Third Proportional to 637,237,138.50 and 984,155,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   637,237,138.50 : 984,155,488.50 = 984,155,488.50 : x
2. Step 2: Convert to fraction form
   637,237,138.50/984,155,488.50 = 984,155,488.50/x
3. Step 3: Cross multiply
   637,237,138.50x = 984,155,488.50 × 984,155,488.50
4. Step 4: Simplify right side
   637,237,138.50x = 968,562,025,544,673,664
5. Step 5: Solve for x
   x = 968,562,025,544,673,664/637,237,138.50
6. Step 6: Final answer
   x = 1,519,939,700.67