Finding the Third Proportional to 2,411.75 and 5,285

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.75 : 5,285 = 5,285 : x
2. Step 2: Convert to fraction form
   2,411.75/5,285 = 5,285/x
3. Step 3: Cross multiply
   2,411.75x = 5,285 × 5,285
4. Step 4: Simplify right side
   2,411.75x = 27,931,225
5. Step 5: Solve for x
   x = 27,931,225/2,411.75
6. Step 6: Final answer
   x = 11,581.31