Finding the Third Proportional to 221,286,061.50 and 482,619,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,286,061.50 : 482,619,737.50 = 482,619,737.50 : x
2. Step 2: Convert to fraction form
   221,286,061.50/482,619,737.50 = 482,619,737.50/x
3. Step 3: Cross multiply
   221,286,061.50x = 482,619,737.50 × 482,619,737.50
4. Step 4: Simplify right side
   221,286,061.50x = 232,921,811,024,568,896
5. Step 5: Solve for x
   x = 232,921,811,024,568,896/221,286,061.50
6. Step 6: Final answer
   x = 1,052,582,387.91