Finding the Third Proportional to 30,388 and 63,198

Step by Step Solution

1. Step 1: Write the proportion equation
   30,388 : 63,198 = 63,198 : x
2. Step 2: Convert to fraction form
   30,388/63,198 = 63,198/x
3. Step 3: Cross multiply
   30,388x = 63,198 × 63,198
4. Step 4: Simplify right side
   30,388x = 3,993,987,204
5. Step 5: Solve for x
   x = 3,993,987,204/30,388
6. Step 6: Final answer
   x = 131,433.04