Finding the Third Proportional to 30,886 and 62,864

Step by Step Solution

1. Step 1: Write the proportion equation
   30,886 : 62,864 = 62,864 : x
2. Step 2: Convert to fraction form
   30,886/62,864 = 62,864/x
3. Step 3: Cross multiply
   30,886x = 62,864 × 62,864
4. Step 4: Simplify right side
   30,886x = 3,951,882,496
5. Step 5: Solve for x
   x = 3,951,882,496/30,886
6. Step 6: Final answer
   x = 127,950.61