Finding the Third Proportional to 11,620.50 and 17,540

Step by Step Solution

1. Step 1: Write the proportion equation
   11,620.50 : 17,540 = 17,540 : x
2. Step 2: Convert to fraction form
   11,620.50/17,540 = 17,540/x
3. Step 3: Cross multiply
   11,620.50x = 17,540 × 17,540
4. Step 4: Simplify right side
   11,620.50x = 307,651,600
5. Step 5: Solve for x
   x = 307,651,600/11,620.50
6. Step 6: Final answer
   x = 26,474.90