Finding the Third Proportional to 16,530 and 33,940

Step by Step Solution

1. Step 1: Write the proportion equation
   16,530 : 33,940 = 33,940 : x
2. Step 2: Convert to fraction form
   16,530/33,940 = 33,940/x
3. Step 3: Cross multiply
   16,530x = 33,940 × 33,940
4. Step 4: Simplify right side
   16,530x = 1,151,923,600
5. Step 5: Solve for x
   x = 1,151,923,600/16,530
6. Step 6: Final answer
   x = 69,686.85