Finding the Third Proportional to 10,989.38 and 17,226.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989.38 : 17,226.56 = 17,226.56 : x
2. Step 2: Convert to fraction form
   10,989.38/17,226.56 = 17,226.56/x
3. Step 3: Cross multiply
   10,989.38x = 17,226.56 × 17,226.56
4. Step 4: Simplify right side
   10,989.38x = 296,754,455.57
5. Step 5: Solve for x
   x = 296,754,455.57/10,989.38
6. Step 6: Final answer
   x = 27,003.76