Finding the Third Proportional to 20,664 and 33,540

Step by Step Solution

1. Step 1: Write the proportion equation
   20,664 : 33,540 = 33,540 : x
2. Step 2: Convert to fraction form
   20,664/33,540 = 33,540/x
3. Step 3: Cross multiply
   20,664x = 33,540 × 33,540
4. Step 4: Simplify right side
   20,664x = 1,124,931,600
5. Step 5: Solve for x
   x = 1,124,931,600/20,664
6. Step 6: Final answer
   x = 54,439.20