Finding the Third Proportional to 116,454 and 249,510

Step by Step Solution

1. Step 1: Write the proportion equation
   116,454 : 249,510 = 249,510 : x
2. Step 2: Convert to fraction form
   116,454/249,510 = 249,510/x
3. Step 3: Cross multiply
   116,454x = 249,510 × 249,510
4. Step 4: Simplify right side
   116,454x = 62,255,240,100
5. Step 5: Solve for x
   x = 62,255,240,100/116,454
6. Step 6: Final answer
   x = 534,590.83