Finding the Third Proportional to 125,726.50 and 271,136

Step by Step Solution

1. Step 1: Write the proportion equation
   125,726.50 : 271,136 = 271,136 : x
2. Step 2: Convert to fraction form
   125,726.50/271,136 = 271,136/x
3. Step 3: Cross multiply
   125,726.50x = 271,136 × 271,136
4. Step 4: Simplify right side
   125,726.50x = 73,514,730,496
5. Step 5: Solve for x
   x = 73,514,730,496/125,726.50
6. Step 6: Final answer
   x = 584,719.45