Finding the Third Proportional to 13,147.50 and 17,715

Step by Step Solution

1. Step 1: Write the proportion equation
   13,147.50 : 17,715 = 17,715 : x
2. Step 2: Convert to fraction form
   13,147.50/17,715 = 17,715/x
3. Step 3: Cross multiply
   13,147.50x = 17,715 × 17,715
4. Step 4: Simplify right side
   13,147.50x = 313,821,225
5. Step 5: Solve for x
   x = 313,821,225/13,147.50
6. Step 6: Final answer
   x = 23,869.27