Finding the Third Proportional to 13,216 and 16,944

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216 : 16,944 = 16,944 : x
2. Step 2: Convert to fraction form
   13,216/16,944 = 16,944/x
3. Step 3: Cross multiply
   13,216x = 16,944 × 16,944
4. Step 4: Simplify right side
   13,216x = 287,099,136
5. Step 5: Solve for x
   x = 287,099,136/13,216
6. Step 6: Final answer
   x = 21,723.60