Finding the Third Proportional to 11,860 and 25,180

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860 : 25,180 = 25,180 : x
2. Step 2: Convert to fraction form
   11,860/25,180 = 25,180/x
3. Step 3: Cross multiply
   11,860x = 25,180 × 25,180
4. Step 4: Simplify right side
   11,860x = 634,032,400
5. Step 5: Solve for x
   x = 634,032,400/11,860
6. Step 6: Final answer
   x = 53,459.73