Finding the Third Proportional to 81,502.50 and 124,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,502.50 : 124,675.50 = 124,675.50 : x
2. Step 2: Convert to fraction form
   81,502.50/124,675.50 = 124,675.50/x
3. Step 3: Cross multiply
   81,502.50x = 124,675.50 × 124,675.50
4. Step 4: Simplify right side
   81,502.50x = 15,543,980,300.25
5. Step 5: Solve for x
   x = 15,543,980,300.25/81,502.50
6. Step 6: Final answer
   x = 190,717.83