Finding the Third Proportional to 1,031.50 and 1,132.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.50 : 1,132.75 = 1,132.75 : x
2. Step 2: Convert to fraction form
   1,031.50/1,132.75 = 1,132.75/x
3. Step 3: Cross multiply
   1,031.50x = 1,132.75 × 1,132.75
4. Step 4: Simplify right side
   1,031.50x = 1,283,122.56
5. Step 5: Solve for x
   x = 1,283,122.56/1,031.50
6. Step 6: Final answer
   x = 1,243.94