Finding the Third Proportional to 2,115 and 3,233.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115 : 3,233.25 = 3,233.25 : x
2. Step 2: Convert to fraction form
   2,115/3,233.25 = 3,233.25/x
3. Step 3: Cross multiply
   2,115x = 3,233.25 × 3,233.25
4. Step 4: Simplify right side
   2,115x = 10,453,905.56
5. Step 5: Solve for x
   x = 10,453,905.56/2,115
6. Step 6: Final answer
   x = 4,942.74