Finding the Third Proportional to 12,829 and 17,260

Step by Step Solution

1. Step 1: Write the proportion equation
   12,829 : 17,260 = 17,260 : x
2. Step 2: Convert to fraction form
   12,829/17,260 = 17,260/x
3. Step 3: Cross multiply
   12,829x = 17,260 × 17,260
4. Step 4: Simplify right side
   12,829x = 297,907,600
5. Step 5: Solve for x
   x = 297,907,600/12,829
6. Step 6: Final answer
   x = 23,221.42