Finding the Third Proportional to 9,606 and 20,117

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606 : 20,117 = 20,117 : x
2. Step 2: Convert to fraction form
   9,606/20,117 = 20,117/x
3. Step 3: Cross multiply
   9,606x = 20,117 × 20,117
4. Step 4: Simplify right side
   9,606x = 404,693,689
5. Step 5: Solve for x
   x = 404,693,689/9,606
6. Step 6: Final answer
   x = 42,129.26