Finding the Third Proportional to 18,857.88 and 39,265.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,857.88 : 39,265.94 = 39,265.94 : x
2. Step 2: Convert to fraction form
   18,857.88/39,265.94 = 39,265.94/x
3. Step 3: Cross multiply
   18,857.88x = 39,265.94 × 39,265.94
4. Step 4: Simplify right side
   18,857.88x = 1,541,813,847.75
5. Step 5: Solve for x
   x = 1,541,813,847.75/18,857.88
6. Step 6: Final answer
   x = 81,759.68