Finding the Third Proportional to 13,151.75 and 17,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,151.75 : 17,719.50 = 17,719.50 : x
2. Step 2: Convert to fraction form
   13,151.75/17,719.50 = 17,719.50/x
3. Step 3: Cross multiply
   13,151.75x = 17,719.50 × 17,719.50
4. Step 4: Simplify right side
   13,151.75x = 313,980,680.25
5. Step 5: Solve for x
   x = 313,980,680.25/13,151.75
6. Step 6: Final answer
   x = 23,873.68