Finding the Third Proportional to 20,455 and 43,096

Step by Step Solution

1. Step 1: Write the proportion equation
   20,455 : 43,096 = 43,096 : x
2. Step 2: Convert to fraction form
   20,455/43,096 = 43,096/x
3. Step 3: Cross multiply
   20,455x = 43,096 × 43,096
4. Step 4: Simplify right side
   20,455x = 1,857,265,216
5. Step 5: Solve for x
   x = 1,857,265,216/20,455
6. Step 6: Final answer
   x = 90,797.62