Finding the Third Proportional to 743.88 and 1,062.69

Step by Step Solution

1. Step 1: Write the proportion equation
   743.88 : 1,062.69 = 1,062.69 : x
2. Step 2: Convert to fraction form
   743.88/1,062.69 = 1,062.69/x
3. Step 3: Cross multiply
   743.88x = 1,062.69 × 1,062.69
4. Step 4: Simplify right side
   743.88x = 1,129,304.72
5. Step 5: Solve for x
   x = 1,129,304.72/743.88
6. Step 6: Final answer
   x = 1,518.14