Finding the Third Proportional to 2,788 and 5,812

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788 : 5,812 = 5,812 : x
2. Step 2: Convert to fraction form
   2,788/5,812 = 5,812/x
3. Step 3: Cross multiply
   2,788x = 5,812 × 5,812
4. Step 4: Simplify right side
   2,788x = 33,779,344
5. Step 5: Solve for x
   x = 33,779,344/2,788
6. Step 6: Final answer
   x = 12,115.98