Finding the Third Proportional to 3,960.56 and 8,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.56 : 8,047.69 = 8,047.69 : x
2. Step 2: Convert to fraction form
   3,960.56/8,047.69 = 8,047.69/x
3. Step 3: Cross multiply
   3,960.56x = 8,047.69 × 8,047.69
4. Step 4: Simplify right side
   3,960.56x = 64,765,274.10
5. Step 5: Solve for x
   x = 64,765,274.10/3,960.56
6. Step 6: Final answer
   x = 16,352.54