Finding the Third Proportional to 17,456 and 18,896

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456 : 18,896 = 18,896 : x
2. Step 2: Convert to fraction form
   17,456/18,896 = 18,896/x
3. Step 3: Cross multiply
   17,456x = 18,896 × 18,896
4. Step 4: Simplify right side
   17,456x = 357,058,816
5. Step 5: Solve for x
   x = 357,058,816/17,456
6. Step 6: Final answer
   x = 20,454.79