Finding the Third Proportional to 9,742 and 20,698

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742 : 20,698 = 20,698 : x
2. Step 2: Convert to fraction form
   9,742/20,698 = 20,698/x
3. Step 3: Cross multiply
   9,742x = 20,698 × 20,698
4. Step 4: Simplify right side
   9,742x = 428,407,204
5. Step 5: Solve for x
   x = 428,407,204/9,742
6. Step 6: Final answer
   x = 43,975.28