Finding the Third Proportional to 18,502.88 and 40,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,502.88 : 40,696.50 = 40,696.50 : x
2. Step 2: Convert to fraction form
   18,502.88/40,696.50 = 40,696.50/x
3. Step 3: Cross multiply
   18,502.88x = 40,696.50 × 40,696.50
4. Step 4: Simplify right side
   18,502.88x = 1,656,205,112.25
5. Step 5: Solve for x
   x = 1,656,205,112.25/18,502.88
6. Step 6: Final answer
   x = 89,510.69