Finding the Third Proportional to 50,828 and 72,618

Step by Step Solution

1. Step 1: Write the proportion equation
   50,828 : 72,618 = 72,618 : x
2. Step 2: Convert to fraction form
   50,828/72,618 = 72,618/x
3. Step 3: Cross multiply
   50,828x = 72,618 × 72,618
4. Step 4: Simplify right side
   50,828x = 5,273,373,924
5. Step 5: Solve for x
   x = 5,273,373,924/50,828
6. Step 6: Final answer
   x = 103,749.39