Finding the Third Proportional to 112,314 and 249,540

Step by Step Solution

1. Step 1: Write the proportion equation
   112,314 : 249,540 = 249,540 : x
2. Step 2: Convert to fraction form
   112,314/249,540 = 249,540/x
3. Step 3: Cross multiply
   112,314x = 249,540 × 249,540
4. Step 4: Simplify right side
   112,314x = 62,270,211,600
5. Step 5: Solve for x
   x = 62,270,211,600/112,314
6. Step 6: Final answer
   x = 554,429.65