Finding the Third Proportional to 116,651.25 and 249,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,651.25 : 249,880.50 = 249,880.50 : x
2. Step 2: Convert to fraction form
   116,651.25/249,880.50 = 249,880.50/x
3. Step 3: Cross multiply
   116,651.25x = 249,880.50 × 249,880.50
4. Step 4: Simplify right side
   116,651.25x = 62,440,264,280.25
5. Step 5: Solve for x
   x = 62,440,264,280.25/116,651.25
6. Step 6: Final answer
   x = 535,273.00