Finding the Third Proportional to 11,618 and 25,412

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618 : 25,412 = 25,412 : x
2. Step 2: Convert to fraction form
   11,618/25,412 = 25,412/x
3. Step 3: Cross multiply
   11,618x = 25,412 × 25,412
4. Step 4: Simplify right side
   11,618x = 645,769,744
5. Step 5: Solve for x
   x = 645,769,744/11,618
6. Step 6: Final answer
   x = 55,583.56