Finding the Third Proportional to 11,715.75 and 17,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,715.75 : 17,059.50 = 17,059.50 : x
2. Step 2: Convert to fraction form
   11,715.75/17,059.50 = 17,059.50/x
3. Step 3: Cross multiply
   11,715.75x = 17,059.50 × 17,059.50
4. Step 4: Simplify right side
   11,715.75x = 291,026,540.25
5. Step 5: Solve for x
   x = 291,026,540.25/11,715.75
6. Step 6: Final answer
   x = 24,840.62