Finding the Third Proportional to 20,171 and 21,994

Step by Step Solution

1. Step 1: Write the proportion equation
   20,171 : 21,994 = 21,994 : x
2. Step 2: Convert to fraction form
   20,171/21,994 = 21,994/x
3. Step 3: Cross multiply
   20,171x = 21,994 × 21,994
4. Step 4: Simplify right side
   20,171x = 483,736,036
5. Step 5: Solve for x
   x = 483,736,036/20,171
6. Step 6: Final answer
   x = 23,981.76