Finding the Third Proportional to 10,109 and 20,704

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109 : 20,704 = 20,704 : x
2. Step 2: Convert to fraction form
   10,109/20,704 = 20,704/x
3. Step 3: Cross multiply
   10,109x = 20,704 × 20,704
4. Step 4: Simplify right side
   10,109x = 428,655,616
5. Step 5: Solve for x
   x = 428,655,616/10,109
6. Step 6: Final answer
   x = 42,403.36