Finding the Third Proportional to 249,137.25 and 584,889.38

Step by Step Solution

1. Step 1: Write the proportion equation
   249,137.25 : 584,889.38 = 584,889.38 : x
2. Step 2: Convert to fraction form
   249,137.25/584,889.38 = 584,889.38/x
3. Step 3: Cross multiply
   249,137.25x = 584,889.38 × 584,889.38
4. Step 4: Simplify right side
   249,137.25x = 342,095,580,987.89
5. Step 5: Solve for x
   x = 342,095,580,987.89/249,137.25
6. Step 6: Final answer
   x = 1,373,120.96