Finding the Third Proportional to 18,105.25 and 38,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,105.25 : 38,397.50 = 38,397.50 : x
2. Step 2: Convert to fraction form
   18,105.25/38,397.50 = 38,397.50/x
3. Step 3: Cross multiply
   18,105.25x = 38,397.50 × 38,397.50
4. Step 4: Simplify right side
   18,105.25x = 1,474,368,006.25
5. Step 5: Solve for x
   x = 1,474,368,006.25/18,105.25
6. Step 6: Final answer
   x = 81,433.18