Finding the Third Proportional to 860.34 and 1,036.27

Step by Step Solution

1. Step 1: Write the proportion equation
   860.34 : 1,036.27 = 1,036.27 : x
2. Step 2: Convert to fraction form
   860.34/1,036.27 = 1,036.27/x
3. Step 3: Cross multiply
   860.34x = 1,036.27 × 1,036.27
4. Step 4: Simplify right side
   860.34x = 1,073,846.45
5. Step 5: Solve for x
   x = 1,073,846.45/860.34
6. Step 6: Final answer
   x = 1,248.16