Finding the Third Proportional to 11,211.75 and 16,600.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,211.75 : 16,600.78 = 16,600.78 : x
2. Step 2: Convert to fraction form
   11,211.75/16,600.78 = 16,600.78/x
3. Step 3: Cross multiply
   11,211.75x = 16,600.78 × 16,600.78
4. Step 4: Simplify right side
   11,211.75x = 275,585,938.11
5. Step 5: Solve for x
   x = 275,585,938.11/11,211.75
6. Step 6: Final answer
   x = 24,580.10