Finding the Third Proportional to 10,958 and 16,860

Step by Step Solution

1. Step 1: Write the proportion equation
   10,958 : 16,860 = 16,860 : x
2. Step 2: Convert to fraction form
   10,958/16,860 = 16,860/x
3. Step 3: Cross multiply
   10,958x = 16,860 × 16,860
4. Step 4: Simplify right side
   10,958x = 284,259,600
5. Step 5: Solve for x
   x = 284,259,600/10,958
6. Step 6: Final answer
   x = 25,940.83