Finding the Third Proportional to 20,744 and 45,519

Step by Step Solution

1. Step 1: Write the proportion equation
   20,744 : 45,519 = 45,519 : x
2. Step 2: Convert to fraction form
   20,744/45,519 = 45,519/x
3. Step 3: Cross multiply
   20,744x = 45,519 × 45,519
4. Step 4: Simplify right side
   20,744x = 2,071,979,361
5. Step 5: Solve for x
   x = 2,071,979,361/20,744
6. Step 6: Final answer
   x = 99,883.31