Finding the Third Proportional to 12,135.50 and 17,190.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,135.50 : 17,190.75 = 17,190.75 : x
2. Step 2: Convert to fraction form
   12,135.50/17,190.75 = 17,190.75/x
3. Step 3: Cross multiply
   12,135.50x = 17,190.75 × 17,190.75
4. Step 4: Simplify right side
   12,135.50x = 295,521,885.56
5. Step 5: Solve for x
   x = 295,521,885.56/12,135.50
6. Step 6: Final answer
   x = 24,351.85