Finding the Third Proportional to 31,203 and 49,618

Step by Step Solution

1. Step 1: Write the proportion equation
   31,203 : 49,618 = 49,618 : x
2. Step 2: Convert to fraction form
   31,203/49,618 = 49,618/x
3. Step 3: Cross multiply
   31,203x = 49,618 × 49,618
4. Step 4: Simplify right side
   31,203x = 2,461,945,924
5. Step 5: Solve for x
   x = 2,461,945,924/31,203
6. Step 6: Final answer
   x = 78,900.94