Finding the Third Proportional to 3,944.63 and 5,521.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.63 : 5,521.88 = 5,521.88 : x
2. Step 2: Convert to fraction form
   3,944.63/5,521.88 = 5,521.88/x
3. Step 3: Cross multiply
   3,944.63x = 5,521.88 × 5,521.88
4. Step 4: Simplify right side
   3,944.63x = 30,491,103.52
5. Step 5: Solve for x
   x = 30,491,103.52/3,944.63
6. Step 6: Final answer
   x = 7,729.79