Finding the Third Proportional to 20,940 and 45,568

Step by Step Solution

1. Step 1: Write the proportion equation
   20,940 : 45,568 = 45,568 : x
2. Step 2: Convert to fraction form
   20,940/45,568 = 45,568/x
3. Step 3: Cross multiply
   20,940x = 45,568 × 45,568
4. Step 4: Simplify right side
   20,940x = 2,076,442,624
5. Step 5: Solve for x
   x = 2,076,442,624/20,940
6. Step 6: Final answer
   x = 99,161.54