Finding the Third Proportional to 5,176 and 10,858

Step by Step Solution

1. Step 1: Write the proportion equation
   5,176 : 10,858 = 10,858 : x
2. Step 2: Convert to fraction form
   5,176/10,858 = 10,858/x
3. Step 3: Cross multiply
   5,176x = 10,858 × 10,858
4. Step 4: Simplify right side
   5,176x = 117,896,164
5. Step 5: Solve for x
   x = 117,896,164/5,176
6. Step 6: Final answer
   x = 22,777.47