Finding the Third Proportional to 83,117.25 and 124,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,117.25 : 124,643.50 = 124,643.50 : x
2. Step 2: Convert to fraction form
   83,117.25/124,643.50 = 124,643.50/x
3. Step 3: Cross multiply
   83,117.25x = 124,643.50 × 124,643.50
4. Step 4: Simplify right side
   83,117.25x = 15,536,002,092.25
5. Step 5: Solve for x
   x = 15,536,002,092.25/83,117.25
6. Step 6: Final answer
   x = 186,916.70