Finding the Third Proportional to 8,248 and 12,923

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248 : 12,923 = 12,923 : x
2. Step 2: Convert to fraction form
   8,248/12,923 = 12,923/x
3. Step 3: Cross multiply
   8,248x = 12,923 × 12,923
4. Step 4: Simplify right side
   8,248x = 167,003,929
5. Step 5: Solve for x
   x = 167,003,929/8,248
6. Step 6: Final answer
   x = 20,247.81