Finding the Third Proportional to 5,163.75 and 10,344.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,163.75 : 10,344.59 = 10,344.59 : x
2. Step 2: Convert to fraction form
   5,163.75/10,344.59 = 10,344.59/x
3. Step 3: Cross multiply
   5,163.75x = 10,344.59 × 10,344.59
4. Step 4: Simplify right side
   5,163.75x = 107,010,458.22
5. Step 5: Solve for x
   x = 107,010,458.22/5,163.75
6. Step 6: Final answer
   x = 20,723.40