Finding the Third Proportional to 12,163.50 and 28,839.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,163.50 : 28,839.38 = 28,839.38 : x
2. Step 2: Convert to fraction form
   12,163.50/28,839.38 = 28,839.38/x
3. Step 3: Cross multiply
   12,163.50x = 28,839.38 × 28,839.38
4. Step 4: Simplify right side
   12,163.50x = 831,709,550.39
5. Step 5: Solve for x
   x = 831,709,550.39/12,163.50
6. Step 6: Final answer
   x = 68,377.49