Finding the Third Proportional to 81,934.50 and 124,612

Step by Step Solution

1. Step 1: Write the proportion equation
   81,934.50 : 124,612 = 124,612 : x
2. Step 2: Convert to fraction form
   81,934.50/124,612 = 124,612/x
3. Step 3: Cross multiply
   81,934.50x = 124,612 × 124,612
4. Step 4: Simplify right side
   81,934.50x = 15,528,150,544
5. Step 5: Solve for x
   x = 15,528,150,544/81,934.50
6. Step 6: Final answer
   x = 189,519.07