Finding the Third Proportional to 18,960.33 and 27,311.55

Step by Step Solution

1. Step 1: Write the proportion equation
   18,960.33 : 27,311.55 = 27,311.55 : x
2. Step 2: Convert to fraction form
   18,960.33/27,311.55 = 27,311.55/x
3. Step 3: Cross multiply
   18,960.33x = 27,311.55 × 27,311.55
4. Step 4: Simplify right side
   18,960.33x = 745,921,019.45
5. Step 5: Solve for x
   x = 745,921,019.45/18,960.33
6. Step 6: Final answer
   x = 39,341.15