Finding the Third Proportional to 13,143.94 and 17,711.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.94 : 17,711.16 = 17,711.16 : x
2. Step 2: Convert to fraction form
   13,143.94/17,711.16 = 17,711.16/x
3. Step 3: Cross multiply
   13,143.94x = 17,711.16 × 17,711.16
4. Step 4: Simplify right side
   13,143.94x = 313,685,055.71
5. Step 5: Solve for x
   x = 313,685,055.71/13,143.94
6. Step 6: Final answer
   x = 23,865.38