Finding the Third Proportional to 116,658 and 249,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,658 : 249,898.50 = 249,898.50 : x
2. Step 2: Convert to fraction form
   116,658/249,898.50 = 249,898.50/x
3. Step 3: Cross multiply
   116,658x = 249,898.50 × 249,898.50
4. Step 4: Simplify right side
   116,658x = 62,449,260,302.25
5. Step 5: Solve for x
   x = 62,449,260,302.25/116,658
6. Step 6: Final answer
   x = 535,319.14