Finding the Third Proportional to 20,982 and 43,404

Step by Step Solution

1. Step 1: Write the proportion equation
   20,982 : 43,404 = 43,404 : x
2. Step 2: Convert to fraction form
   20,982/43,404 = 43,404/x
3. Step 3: Cross multiply
   20,982x = 43,404 × 43,404
4. Step 4: Simplify right side
   20,982x = 1,883,907,216
5. Step 5: Solve for x
   x = 1,883,907,216/20,982
6. Step 6: Final answer
   x = 89,786.83