Finding the Third Proportional to 11,328.75 and 18,450.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,328.75 : 18,450.56 = 18,450.56 : x
2. Step 2: Convert to fraction form
   11,328.75/18,450.56 = 18,450.56/x
3. Step 3: Cross multiply
   11,328.75x = 18,450.56 × 18,450.56
4. Step 4: Simplify right side
   11,328.75x = 340,423,256.57
5. Step 5: Solve for x
   x = 340,423,256.57/11,328.75
6. Step 6: Final answer
   x = 30,049.50