Finding the Third Proportional to 1,360.31 and 2,105.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.31 : 2,105.06 = 2,105.06 : x
2. Step 2: Convert to fraction form
   1,360.31/2,105.06 = 2,105.06/x
3. Step 3: Cross multiply
   1,360.31x = 2,105.06 × 2,105.06
4. Step 4: Simplify right side
   1,360.31x = 4,431,288.13
5. Step 5: Solve for x
   x = 4,431,288.13/1,360.31
6. Step 6: Final answer
   x = 3,257.55