Finding the Third Proportional to 2,111.06 and 4,278.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.06 : 4,278.94 = 4,278.94 : x
2. Step 2: Convert to fraction form
   2,111.06/4,278.94 = 4,278.94/x
3. Step 3: Cross multiply
   2,111.06x = 4,278.94 × 4,278.94
4. Step 4: Simplify right side
   2,111.06x = 18,309,306.13
5. Step 5: Solve for x
   x = 18,309,306.13/2,111.06
6. Step 6: Final answer
   x = 8,673.03