Finding the Third Proportional to 11,704.50 and 15,216.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,704.50 : 15,216.75 = 15,216.75 : x
2. Step 2: Convert to fraction form
   11,704.50/15,216.75 = 15,216.75/x
3. Step 3: Cross multiply
   11,704.50x = 15,216.75 × 15,216.75
4. Step 4: Simplify right side
   11,704.50x = 231,549,480.56
5. Step 5: Solve for x
   x = 231,549,480.56/11,704.50
6. Step 6: Final answer
   x = 19,782.95