Finding the Third Proportional to 13,209.75 and 17,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,209.75 : 17,149.50 = 17,149.50 : x
2. Step 2: Convert to fraction form
   13,209.75/17,149.50 = 17,149.50/x
3. Step 3: Cross multiply
   13,209.75x = 17,149.50 × 17,149.50
4. Step 4: Simplify right side
   13,209.75x = 294,105,350.25
5. Step 5: Solve for x
   x = 294,105,350.25/13,209.75
6. Step 6: Final answer
   x = 22,264.26