Finding the Third Proportional to 12,776 and 17,026

Step by Step Solution

1. Step 1: Write the proportion equation
   12,776 : 17,026 = 17,026 : x
2. Step 2: Convert to fraction form
   12,776/17,026 = 17,026/x
3. Step 3: Cross multiply
   12,776x = 17,026 × 17,026
4. Step 4: Simplify right side
   12,776x = 289,884,676
5. Step 5: Solve for x
   x = 289,884,676/12,776
6. Step 6: Final answer
   x = 22,689.78