Finding the Third Proportional to 18,608.50 and 40,132.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,608.50 : 40,132.25 = 40,132.25 : x
2. Step 2: Convert to fraction form
   18,608.50/40,132.25 = 40,132.25/x
3. Step 3: Cross multiply
   18,608.50x = 40,132.25 × 40,132.25
4. Step 4: Simplify right side
   18,608.50x = 1,610,597,490.06
5. Step 5: Solve for x
   x = 1,610,597,490.06/18,608.50
6. Step 6: Final answer
   x = 86,551.71