Finding the Third Proportional to 116,569.50 and 254,217

Step by Step Solution

1. Step 1: Write the proportion equation
   116,569.50 : 254,217 = 254,217 : x
2. Step 2: Convert to fraction form
   116,569.50/254,217 = 254,217/x
3. Step 3: Cross multiply
   116,569.50x = 254,217 × 254,217
4. Step 4: Simplify right side
   116,569.50x = 64,626,283,089
5. Step 5: Solve for x
   x = 64,626,283,089/116,569.50
6. Step 6: Final answer
   x = 554,401.31