Finding the Third Proportional to 12,020 and 16,910

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020 : 16,910 = 16,910 : x
2. Step 2: Convert to fraction form
   12,020/16,910 = 16,910/x
3. Step 3: Cross multiply
   12,020x = 16,910 × 16,910
4. Step 4: Simplify right side
   12,020x = 285,948,100
5. Step 5: Solve for x
   x = 285,948,100/12,020
6. Step 6: Final answer
   x = 23,789.36