Finding the Third Proportional to 4,591.85 and 9,952.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,591.85 : 9,952.56 = 9,952.56 : x
2. Step 2: Convert to fraction form
   4,591.85/9,952.56 = 9,952.56/x
3. Step 3: Cross multiply
   4,591.85x = 9,952.56 × 9,952.56
4. Step 4: Simplify right side
   4,591.85x = 99,053,422.56
5. Step 5: Solve for x
   x = 99,053,422.56/4,591.85
6. Step 6: Final answer
   x = 21,571.59