Finding the Third Proportional to 30,556 and 62,744

Step by Step Solution

1. Step 1: Write the proportion equation
   30,556 : 62,744 = 62,744 : x
2. Step 2: Convert to fraction form
   30,556/62,744 = 62,744/x
3. Step 3: Cross multiply
   30,556x = 62,744 × 62,744
4. Step 4: Simplify right side
   30,556x = 3,936,809,536
5. Step 5: Solve for x
   x = 3,936,809,536/30,556
6. Step 6: Final answer
   x = 128,839.17