Finding the Third Proportional to 731.75 and 1,018.88

Step by Step Solution

1. Step 1: Write the proportion equation
   731.75 : 1,018.88 = 1,018.88 : x
2. Step 2: Convert to fraction form
   731.75/1,018.88 = 1,018.88/x
3. Step 3: Cross multiply
   731.75x = 1,018.88 × 1,018.88
4. Step 4: Simplify right side
   731.75x = 1,038,106.27
5. Step 5: Solve for x
   x = 1,038,106.27/731.75
6. Step 6: Final answer
   x = 1,418.66