Finding the Third Proportional to 11,489.81 and 17,568.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,489.81 : 17,568.75 = 17,568.75 : x
2. Step 2: Convert to fraction form
   11,489.81/17,568.75 = 17,568.75/x
3. Step 3: Cross multiply
   11,489.81x = 17,568.75 × 17,568.75
4. Step 4: Simplify right side
   11,489.81x = 308,660,976.56
5. Step 5: Solve for x
   x = 308,660,976.56/11,489.81
6. Step 6: Final answer
   x = 26,863.88