Finding the Third Proportional to 1,083.38 and 2,112.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.38 : 2,112.75 = 2,112.75 : x
2. Step 2: Convert to fraction form
   1,083.38/2,112.75 = 2,112.75/x
3. Step 3: Cross multiply
   1,083.38x = 2,112.75 × 2,112.75
4. Step 4: Simplify right side
   1,083.38x = 4,463,712.56
5. Step 5: Solve for x
   x = 4,463,712.56/1,083.38
6. Step 6: Final answer
   x = 4,120.19