Finding the Third Proportional to 9,659 and 20,956

Step by Step Solution

1. Step 1: Write the proportion equation
   9,659 : 20,956 = 20,956 : x
2. Step 2: Convert to fraction form
   9,659/20,956 = 20,956/x
3. Step 3: Cross multiply
   9,659x = 20,956 × 20,956
4. Step 4: Simplify right side
   9,659x = 439,153,936
5. Step 5: Solve for x
   x = 439,153,936/9,659
6. Step 6: Final answer
   x = 45,465.78