Finding the Third Proportional to 13,213.13 and 17,712.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,213.13 : 17,712.42 = 17,712.42 : x
2. Step 2: Convert to fraction form
   13,213.13/17,712.42 = 17,712.42/x
3. Step 3: Cross multiply
   13,213.13x = 17,712.42 × 17,712.42
4. Step 4: Simplify right side
   13,213.13x = 313,729,888.68
5. Step 5: Solve for x
   x = 313,729,888.68/13,213.13
6. Step 6: Final answer
   x = 23,743.81