Finding the Third Proportional to 28,309.50 and 56,163.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,309.50 : 56,163.38 = 56,163.38 : x
2. Step 2: Convert to fraction form
   28,309.50/56,163.38 = 56,163.38/x
3. Step 3: Cross multiply
   28,309.50x = 56,163.38 × 56,163.38
4. Step 4: Simplify right side
   28,309.50x = 3,154,324,691.39
5. Step 5: Solve for x
   x = 3,154,324,691.39/28,309.50
6. Step 6: Final answer
   x = 111,422.83