Finding the Third Proportional to 9,958 and 20,546

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958 : 20,546 = 20,546 : x
2. Step 2: Convert to fraction form
   9,958/20,546 = 20,546/x
3. Step 3: Cross multiply
   9,958x = 20,546 × 20,546
4. Step 4: Simplify right side
   9,958x = 422,138,116
5. Step 5: Solve for x
   x = 422,138,116/9,958
6. Step 6: Final answer
   x = 42,391.86