Finding the Third Proportional to 10,008 and 20,604

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008 : 20,604 = 20,604 : x
2. Step 2: Convert to fraction form
   10,008/20,604 = 20,604/x
3. Step 3: Cross multiply
   10,008x = 20,604 × 20,604
4. Step 4: Simplify right side
   10,008x = 424,524,816
5. Step 5: Solve for x
   x = 424,524,816/10,008
6. Step 6: Final answer
   x = 42,418.55