Finding the Third Proportional to 9,399.75 and 13,998.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399.75 : 13,998.38 = 13,998.38 : x
2. Step 2: Convert to fraction form
   9,399.75/13,998.38 = 13,998.38/x
3. Step 3: Cross multiply
   9,399.75x = 13,998.38 × 13,998.38
4. Step 4: Simplify right side
   9,399.75x = 195,954,502.64
5. Step 5: Solve for x
   x = 195,954,502.64/9,399.75
6. Step 6: Final answer
   x = 20,846.78