Finding the Third Proportional to 20,760 and 30,708

Step by Step Solution

1. Step 1: Write the proportion equation
   20,760 : 30,708 = 30,708 : x
2. Step 2: Convert to fraction form
   20,760/30,708 = 30,708/x
3. Step 3: Cross multiply
   20,760x = 30,708 × 30,708
4. Step 4: Simplify right side
   20,760x = 942,981,264
5. Step 5: Solve for x
   x = 942,981,264/20,760
6. Step 6: Final answer
   x = 45,422.99