Finding the Third Proportional to 27,618 and 57,360

Step by Step Solution

1. Step 1: Write the proportion equation
   27,618 : 57,360 = 57,360 : x
2. Step 2: Convert to fraction form
   27,618/57,360 = 57,360/x
3. Step 3: Cross multiply
   27,618x = 57,360 × 57,360
4. Step 4: Simplify right side
   27,618x = 3,290,169,600
5. Step 5: Solve for x
   x = 3,290,169,600/27,618
6. Step 6: Final answer
   x = 119,131.35