Finding the Third Proportional to 105,858 and 164,618

Step by Step Solution

1. Step 1: Write the proportion equation
   105,858 : 164,618 = 164,618 : x
2. Step 2: Convert to fraction form
   105,858/164,618 = 164,618/x
3. Step 3: Cross multiply
   105,858x = 164,618 × 164,618
4. Step 4: Simplify right side
   105,858x = 27,099,085,924
5. Step 5: Solve for x
   x = 27,099,085,924/105,858
6. Step 6: Final answer
   x = 255,994.69