Finding the Third Proportional to 249,449.63 and 373,789.69

Step by Step Solution

1. Step 1: Write the proportion equation
   249,449.63 : 373,789.69 = 373,789.69 : x
2. Step 2: Convert to fraction form
   249,449.63/373,789.69 = 373,789.69/x
3. Step 3: Cross multiply
   249,449.63x = 373,789.69 × 373,789.69
4. Step 4: Simplify right side
   249,449.63x = 139,718,730,481.35
5. Step 5: Solve for x
   x = 139,718,730,481.35/249,449.63
6. Step 6: Final answer
   x = 560,108.00