Finding the Third Proportional to 1,074.23 and 1,449.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.23 : 1,449.35 = 1,449.35 : x
2. Step 2: Convert to fraction form
   1,074.23/1,449.35 = 1,449.35/x
3. Step 3: Cross multiply
   1,074.23x = 1,449.35 × 1,449.35
4. Step 4: Simplify right side
   1,074.23x = 2,100,619.95
5. Step 5: Solve for x
   x = 2,100,619.95/1,074.23
6. Step 6: Final answer
   x = 1,955.46