Finding the Third Proportional to 2,836.31 and 3,072.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.31 : 3,072.56 = 3,072.56 : x
2. Step 2: Convert to fraction form
   2,836.31/3,072.56 = 3,072.56/x
3. Step 3: Cross multiply
   2,836.31x = 3,072.56 × 3,072.56
4. Step 4: Simplify right side
   2,836.31x = 9,440,640.32
5. Step 5: Solve for x
   x = 9,440,640.32/2,836.31
6. Step 6: Final answer
   x = 3,328.49