Finding the Third Proportional to 249,259.50 and 548,361

Step by Step Solution

1. Step 1: Write the proportion equation
   249,259.50 : 548,361 = 548,361 : x
2. Step 2: Convert to fraction form
   249,259.50/548,361 = 548,361/x
3. Step 3: Cross multiply
   249,259.50x = 548,361 × 548,361
4. Step 4: Simplify right side
   249,259.50x = 300,699,786,321
5. Step 5: Solve for x
   x = 300,699,786,321/249,259.50
6. Step 6: Final answer
   x = 1,206,372.42