Finding the Third Proportional to 30,488 and 34,864

Step by Step Solution

1. Step 1: Write the proportion equation
   30,488 : 34,864 = 34,864 : x
2. Step 2: Convert to fraction form
   30,488/34,864 = 34,864/x
3. Step 3: Cross multiply
   30,488x = 34,864 × 34,864
4. Step 4: Simplify right side
   30,488x = 1,215,498,496
5. Step 5: Solve for x
   x = 1,215,498,496/30,488
6. Step 6: Final answer
   x = 39,868.10