Finding the Third Proportional to 25,686 and 56,099

Step by Step Solution

1. Step 1: Write the proportion equation
   25,686 : 56,099 = 56,099 : x
2. Step 2: Convert to fraction form
   25,686/56,099 = 56,099/x
3. Step 3: Cross multiply
   25,686x = 56,099 × 56,099
4. Step 4: Simplify right side
   25,686x = 3,147,097,801
5. Step 5: Solve for x
   x = 3,147,097,801/25,686
6. Step 6: Final answer
   x = 122,521.91