Finding the Third Proportional to 13,968 and 19,910

Step by Step Solution

1. Step 1: Write the proportion equation
   13,968 : 19,910 = 19,910 : x
2. Step 2: Convert to fraction form
   13,968/19,910 = 19,910/x
3. Step 3: Cross multiply
   13,968x = 19,910 × 19,910
4. Step 4: Simplify right side
   13,968x = 396,408,100
5. Step 5: Solve for x
   x = 396,408,100/13,968
6. Step 6: Final answer
   x = 28,379.73