Finding the Third Proportional to 20,560 and 30,808

Step by Step Solution

1. Step 1: Write the proportion equation
   20,560 : 30,808 = 30,808 : x
2. Step 2: Convert to fraction form
   20,560/30,808 = 30,808/x
3. Step 3: Cross multiply
   20,560x = 30,808 × 30,808
4. Step 4: Simplify right side
   20,560x = 949,132,864
5. Step 5: Solve for x
   x = 949,132,864/20,560
6. Step 6: Final answer
   x = 46,164.05