Finding the Third Proportional to 2,111.25 and 3,286.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.25 : 3,286.13 = 3,286.13 : x
2. Step 2: Convert to fraction form
   2,111.25/3,286.13 = 3,286.13/x
3. Step 3: Cross multiply
   2,111.25x = 3,286.13 × 3,286.13
4. Step 4: Simplify right side
   2,111.25x = 10,798,617.52
5. Step 5: Solve for x
   x = 10,798,617.52/2,111.25
6. Step 6: Final answer
   x = 5,114.80