Finding the Third Proportional to 249,196.50 and 585,042.75

Step by Step Solution

1. Step 1: Write the proportion equation
   249,196.50 : 585,042.75 = 585,042.75 : x
2. Step 2: Convert to fraction form
   249,196.50/585,042.75 = 585,042.75/x
3. Step 3: Cross multiply
   249,196.50x = 585,042.75 × 585,042.75
4. Step 4: Simplify right side
   249,196.50x = 342,275,019,327.56
5. Step 5: Solve for x
   x = 342,275,019,327.56/249,196.50
6. Step 6: Final answer
   x = 1,373,514.55