Finding the Third Proportional to 7,921.69 and 16,734.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,921.69 : 16,734.38 = 16,734.38 : x
2. Step 2: Convert to fraction form
   7,921.69/16,734.38 = 16,734.38/x
3. Step 3: Cross multiply
   7,921.69x = 16,734.38 × 16,734.38
4. Step 4: Simplify right side
   7,921.69x = 280,039,306.64
5. Step 5: Solve for x
   x = 280,039,306.64/7,921.69
6. Step 6: Final answer
   x = 35,350.97