Finding the Third Proportional to 11,872 and 25,216

Step by Step Solution

1. Step 1: Write the proportion equation
   11,872 : 25,216 = 25,216 : x
2. Step 2: Convert to fraction form
   11,872/25,216 = 25,216/x
3. Step 3: Cross multiply
   11,872x = 25,216 × 25,216
4. Step 4: Simplify right side
   11,872x = 635,846,656
5. Step 5: Solve for x
   x = 635,846,656/11,872
6. Step 6: Final answer
   x = 53,558.51