Finding the Third Proportional to 2,188 and 4,812

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188 : 4,812 = 4,812 : x
2. Step 2: Convert to fraction form
   2,188/4,812 = 4,812/x
3. Step 3: Cross multiply
   2,188x = 4,812 × 4,812
4. Step 4: Simplify right side
   2,188x = 23,155,344
5. Step 5: Solve for x
   x = 23,155,344/2,188
6. Step 6: Final answer
   x = 10,582.88