Finding the Third Proportional to 17,617.50 and 36,399.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,617.50 : 36,399.38 = 36,399.38 : x
2. Step 2: Convert to fraction form
   17,617.50/36,399.38 = 36,399.38/x
3. Step 3: Cross multiply
   17,617.50x = 36,399.38 × 36,399.38
4. Step 4: Simplify right side
   17,617.50x = 1,324,914,500.39
5. Step 5: Solve for x
   x = 1,324,914,500.39/17,617.50
6. Step 6: Final answer
   x = 75,204.46