Finding the Third Proportional to 16,980 and 22,188

Step by Step Solution

1. Step 1: Write the proportion equation
   16,980 : 22,188 = 22,188 : x
2. Step 2: Convert to fraction form
   16,980/22,188 = 22,188/x
3. Step 3: Cross multiply
   16,980x = 22,188 × 22,188
4. Step 4: Simplify right side
   16,980x = 492,307,344
5. Step 5: Solve for x
   x = 492,307,344/16,980
6. Step 6: Final answer
   x = 28,993.37