Finding the Third Proportional to 11,723 and 17,711

Step by Step Solution

1. Step 1: Write the proportion equation
   11,723 : 17,711 = 17,711 : x
2. Step 2: Convert to fraction form
   11,723/17,711 = 17,711/x
3. Step 3: Cross multiply
   11,723x = 17,711 × 17,711
4. Step 4: Simplify right side
   11,723x = 313,679,521
5. Step 5: Solve for x
   x = 313,679,521/11,723
6. Step 6: Final answer
   x = 26,757.62