Finding the Third Proportional to 18,193.50 and 39,957.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,193.50 : 39,957.75 = 39,957.75 : x
2. Step 2: Convert to fraction form
   18,193.50/39,957.75 = 39,957.75/x
3. Step 3: Cross multiply
   18,193.50x = 39,957.75 × 39,957.75
4. Step 4: Simplify right side
   18,193.50x = 1,596,621,785.06
5. Step 5: Solve for x
   x = 1,596,621,785.06/18,193.50
6. Step 6: Final answer
   x = 87,757.81