Finding the Third Proportional to 67,618 and 105,112

Step by Step Solution

1. Step 1: Write the proportion equation
   67,618 : 105,112 = 105,112 : x
2. Step 2: Convert to fraction form
   67,618/105,112 = 105,112/x
3. Step 3: Cross multiply
   67,618x = 105,112 × 105,112
4. Step 4: Simplify right side
   67,618x = 11,048,532,544
5. Step 5: Solve for x
   x = 11,048,532,544/67,618
6. Step 6: Final answer
   x = 163,396.32