Finding the Third Proportional to 20,579 and 30,747

Step by Step Solution

1. Step 1: Write the proportion equation
   20,579 : 30,747 = 30,747 : x
2. Step 2: Convert to fraction form
   20,579/30,747 = 30,747/x
3. Step 3: Cross multiply
   20,579x = 30,747 × 30,747
4. Step 4: Simplify right side
   20,579x = 945,378,009
5. Step 5: Solve for x
   x = 945,378,009/20,579
6. Step 6: Final answer
   x = 45,938.97