Finding the Third Proportional to 116,221.50 and 249,696

Step by Step Solution

1. Step 1: Write the proportion equation
   116,221.50 : 249,696 = 249,696 : x
2. Step 2: Convert to fraction form
   116,221.50/249,696 = 249,696/x
3. Step 3: Cross multiply
   116,221.50x = 249,696 × 249,696
4. Step 4: Simplify right side
   116,221.50x = 62,348,092,416
5. Step 5: Solve for x
   x = 62,348,092,416/116,221.50
6. Step 6: Final answer
   x = 536,459.20