Finding the Third Proportional to 18,868.50 and 27,753.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,868.50 : 27,753.75 = 27,753.75 : x
2. Step 2: Convert to fraction form
   18,868.50/27,753.75 = 27,753.75/x
3. Step 3: Cross multiply
   18,868.50x = 27,753.75 × 27,753.75
4. Step 4: Simplify right side
   18,868.50x = 770,270,639.06
5. Step 5: Solve for x
   x = 770,270,639.06/18,868.50
6. Step 6: Final answer
   x = 40,823.10