Finding the Third Proportional to 1,105.31 and 2,669.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.31 : 2,669.91 = 2,669.91 : x
2. Step 2: Convert to fraction form
   1,105.31/2,669.91 = 2,669.91/x
3. Step 3: Cross multiply
   1,105.31x = 2,669.91 × 2,669.91
4. Step 4: Simplify right side
   1,105.31x = 7,128,399.38
5. Step 5: Solve for x
   x = 7,128,399.38/1,105.31
6. Step 6: Final answer
   x = 6,449.22