Finding the Third Proportional to 12,228 and 16,522

Step by Step Solution

1. Step 1: Write the proportion equation
   12,228 : 16,522 = 16,522 : x
2. Step 2: Convert to fraction form
   12,228/16,522 = 16,522/x
3. Step 3: Cross multiply
   12,228x = 16,522 × 16,522
4. Step 4: Simplify right side
   12,228x = 272,976,484
5. Step 5: Solve for x
   x = 272,976,484/12,228
6. Step 6: Final answer
   x = 22,323.89