Finding the Third Proportional to 2,123.72 and 3,282.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.72 : 3,282.19 = 3,282.19 : x
2. Step 2: Convert to fraction form
   2,123.72/3,282.19 = 3,282.19/x
3. Step 3: Cross multiply
   2,123.72x = 3,282.19 × 3,282.19
4. Step 4: Simplify right side
   2,123.72x = 10,772,754.79
5. Step 5: Solve for x
   x = 10,772,754.79/2,123.72
6. Step 6: Final answer
   x = 5,072.59