Finding the Third Proportional to 3,360.94 and 7,311.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360.94 : 7,311.09 = 7,311.09 : x
2. Step 2: Convert to fraction form
   3,360.94/7,311.09 = 7,311.09/x
3. Step 3: Cross multiply
   3,360.94x = 7,311.09 × 7,311.09
4. Step 4: Simplify right side
   3,360.94x = 53,452,091.82
5. Step 5: Solve for x
   x = 53,452,091.82/3,360.94
6. Step 6: Final answer
   x = 15,903.92