Finding the Third Proportional to 2,012 and 2,212

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012 : 2,212 = 2,212 : x
2. Step 2: Convert to fraction form
   2,012/2,212 = 2,212/x
3. Step 3: Cross multiply
   2,012x = 2,212 × 2,212
4. Step 4: Simplify right side
   2,012x = 4,892,944
5. Step 5: Solve for x
   x = 4,892,944/2,012
6. Step 6: Final answer
   x = 2,431.88