Finding the Third Proportional to 12,018 and 25,886

Step by Step Solution

1. Step 1: Write the proportion equation
   12,018 : 25,886 = 25,886 : x
2. Step 2: Convert to fraction form
   12,018/25,886 = 25,886/x
3. Step 3: Cross multiply
   12,018x = 25,886 × 25,886
4. Step 4: Simplify right side
   12,018x = 670,084,996
5. Step 5: Solve for x
   x = 670,084,996/12,018
6. Step 6: Final answer
   x = 55,756.78