Finding the Third Proportional to 4,358.81 and 9,560.53

Step by Step Solution

1. Step 1: Write the proportion equation
   4,358.81 : 9,560.53 = 9,560.53 : x
2. Step 2: Convert to fraction form
   4,358.81/9,560.53 = 9,560.53/x
3. Step 3: Cross multiply
   4,358.81x = 9,560.53 × 9,560.53
4. Step 4: Simplify right side
   4,358.81x = 91,403,757.78
5. Step 5: Solve for x
   x = 91,403,757.78/4,358.81
6. Step 6: Final answer
   x = 20,969.88