Finding the Third Proportional to 1,107.11 and 2,406.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107.11 : 2,406.43 = 2,406.43 : x
2. Step 2: Convert to fraction form
   1,107.11/2,406.43 = 2,406.43/x
3. Step 3: Cross multiply
   1,107.11x = 2,406.43 × 2,406.43
4. Step 4: Simplify right side
   1,107.11x = 5,790,894.44
5. Step 5: Solve for x
   x = 5,790,894.44/1,107.11
6. Step 6: Final answer
   x = 5,230.66