Finding the Third Proportional to 488.81 and 1,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   488.81 : 1,017.94 = 1,017.94 : x
2. Step 2: Convert to fraction form
   488.81/1,017.94 = 1,017.94/x
3. Step 3: Cross multiply
   488.81x = 1,017.94 × 1,017.94
4. Step 4: Simplify right side
   488.81x = 1,036,196.75
5. Step 5: Solve for x
   x = 1,036,196.75/488.81
6. Step 6: Final answer
   x = 2,119.82