Finding the Third Proportional to 249,499.50 and 545,655

Step by Step Solution

1. Step 1: Write the proportion equation
   249,499.50 : 545,655 = 545,655 : x
2. Step 2: Convert to fraction form
   249,499.50/545,655 = 545,655/x
3. Step 3: Cross multiply
   249,499.50x = 545,655 × 545,655
4. Step 4: Simplify right side
   249,499.50x = 297,739,379,025
5. Step 5: Solve for x
   x = 297,739,379,025/249,499.50
6. Step 6: Final answer
   x = 1,193,346.60