Finding the Third Proportional to 16,518 and 33,610

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518 : 33,610 = 33,610 : x
2. Step 2: Convert to fraction form
   16,518/33,610 = 33,610/x
3. Step 3: Cross multiply
   16,518x = 33,610 × 33,610
4. Step 4: Simplify right side
   16,518x = 1,129,632,100
5. Step 5: Solve for x
   x = 1,129,632,100/16,518
6. Step 6: Final answer
   x = 68,387.95