Finding the Third Proportional to 870.75 and 1,008

Step by Step Solution

1. Step 1: Write the proportion equation
   870.75 : 1,008 = 1,008 : x
2. Step 2: Convert to fraction form
   870.75/1,008 = 1,008/x
3. Step 3: Cross multiply
   870.75x = 1,008 × 1,008
4. Step 4: Simplify right side
   870.75x = 1,016,064
5. Step 5: Solve for x
   x = 1,016,064/870.75
6. Step 6: Final answer
   x = 1,166.88