Finding the Third Proportional to 2,112.05 and 3,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.05 : 3,087.82 = 3,087.82 : x
2. Step 2: Convert to fraction form
   2,112.05/3,087.82 = 3,087.82/x
3. Step 3: Cross multiply
   2,112.05x = 3,087.82 × 3,087.82
4. Step 4: Simplify right side
   2,112.05x = 9,534,634.28
5. Step 5: Solve for x
   x = 9,534,634.28/2,112.05
6. Step 6: Final answer
   x = 4,514.40