Finding the Third Proportional to 13,392 and 17,615.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,392 : 17,615.25 = 17,615.25 : x
2. Step 2: Convert to fraction form
   13,392/17,615.25 = 17,615.25/x
3. Step 3: Cross multiply
   13,392x = 17,615.25 × 17,615.25
4. Step 4: Simplify right side
   13,392x = 310,297,032.56
5. Step 5: Solve for x
   x = 310,297,032.56/13,392
6. Step 6: Final answer
   x = 23,170.33