Finding the Third Proportional to 21,618 and 35,298

Step by Step Solution

1. Step 1: Write the proportion equation
   21,618 : 35,298 = 35,298 : x
2. Step 2: Convert to fraction form
   21,618/35,298 = 35,298/x
3. Step 3: Cross multiply
   21,618x = 35,298 × 35,298
4. Step 4: Simplify right side
   21,618x = 1,245,948,804
5. Step 5: Solve for x
   x = 1,245,948,804/21,618
6. Step 6: Final answer
   x = 57,634.79