Finding the Third Proportional to 20,869 and 31,994

Step by Step Solution

1. Step 1: Write the proportion equation
   20,869 : 31,994 = 31,994 : x
2. Step 2: Convert to fraction form
   20,869/31,994 = 31,994/x
3. Step 3: Cross multiply
   20,869x = 31,994 × 31,994
4. Step 4: Simplify right side
   20,869x = 1,023,616,036
5. Step 5: Solve for x
   x = 1,023,616,036/20,869
6. Step 6: Final answer
   x = 49,049.60