Finding the Third Proportional to 249,500.50 and 545,657

Step by Step Solution

1. Step 1: Write the proportion equation
   249,500.50 : 545,657 = 545,657 : x
2. Step 2: Convert to fraction form
   249,500.50/545,657 = 545,657/x
3. Step 3: Cross multiply
   249,500.50x = 545,657 × 545,657
4. Step 4: Simplify right side
   249,500.50x = 297,741,561,649
5. Step 5: Solve for x
   x = 297,741,561,649/249,500.50
6. Step 6: Final answer
   x = 1,193,350.56