Finding the Third Proportional to 20,518 and 33,500

Step by Step Solution

1. Step 1: Write the proportion equation
   20,518 : 33,500 = 33,500 : x
2. Step 2: Convert to fraction form
   20,518/33,500 = 33,500/x
3. Step 3: Cross multiply
   20,518x = 33,500 × 33,500
4. Step 4: Simplify right side
   20,518x = 1,122,250,000
5. Step 5: Solve for x
   x = 1,122,250,000/20,518
6. Step 6: Final answer
   x = 54,695.88