Finding the Third Proportional to 11,715.75 and 17,574.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,715.75 : 17,574.75 = 17,574.75 : x
2. Step 2: Convert to fraction form
   11,715.75/17,574.75 = 17,574.75/x
3. Step 3: Cross multiply
   11,715.75x = 17,574.75 × 17,574.75
4. Step 4: Simplify right side
   11,715.75x = 308,871,837.56
5. Step 5: Solve for x
   x = 308,871,837.56/11,715.75
6. Step 6: Final answer
   x = 26,363.81