Finding the Third Proportional to 10,716 and 12,894

Step by Step Solution

1. Step 1: Write the proportion equation
   10,716 : 12,894 = 12,894 : x
2. Step 2: Convert to fraction form
   10,716/12,894 = 12,894/x
3. Step 3: Cross multiply
   10,716x = 12,894 × 12,894
4. Step 4: Simplify right side
   10,716x = 166,255,236
5. Step 5: Solve for x
   x = 166,255,236/10,716
6. Step 6: Final answer
   x = 15,514.67