Finding the Third Proportional to 116,460 and 249,540

Step by Step Solution

1. Step 1: Write the proportion equation
   116,460 : 249,540 = 249,540 : x
2. Step 2: Convert to fraction form
   116,460/249,540 = 249,540/x
3. Step 3: Cross multiply
   116,460x = 249,540 × 249,540
4. Step 4: Simplify right side
   116,460x = 62,270,211,600
5. Step 5: Solve for x
   x = 62,270,211,600/116,460
6. Step 6: Final answer
   x = 534,691.84