Finding the Third Proportional to 1,424.25 and 1,559.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.25 : 1,559.25 = 1,559.25 : x
2. Step 2: Convert to fraction form
   1,424.25/1,559.25 = 1,559.25/x
3. Step 3: Cross multiply
   1,424.25x = 1,559.25 × 1,559.25
4. Step 4: Simplify right side
   1,424.25x = 2,431,260.56
5. Step 5: Solve for x
   x = 2,431,260.56/1,424.25
6. Step 6: Final answer
   x = 1,707.05