Finding the Third Proportional to 11,608 and 17,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,608 : 17,700.50 = 17,700.50 : x
2. Step 2: Convert to fraction form
   11,608/17,700.50 = 17,700.50/x
3. Step 3: Cross multiply
   11,608x = 17,700.50 × 17,700.50
4. Step 4: Simplify right side
   11,608x = 313,307,700.25
5. Step 5: Solve for x
   x = 313,307,700.25/11,608
6. Step 6: Final answer
   x = 26,990.67