Finding the Third Proportional to 20,110 and 28,456

Step by Step Solution

1. Step 1: Write the proportion equation
   20,110 : 28,456 = 28,456 : x
2. Step 2: Convert to fraction form
   20,110/28,456 = 28,456/x
3. Step 3: Cross multiply
   20,110x = 28,456 × 28,456
4. Step 4: Simplify right side
   20,110x = 809,743,936
5. Step 5: Solve for x
   x = 809,743,936/20,110
6. Step 6: Final answer
   x = 40,265.74