Finding the Third Proportional to 16,120 and 25,099

Step by Step Solution

1. Step 1: Write the proportion equation
   16,120 : 25,099 = 25,099 : x
2. Step 2: Convert to fraction form
   16,120/25,099 = 25,099/x
3. Step 3: Cross multiply
   16,120x = 25,099 × 25,099
4. Step 4: Simplify right side
   16,120x = 629,959,801
5. Step 5: Solve for x
   x = 629,959,801/16,120
6. Step 6: Final answer
   x = 39,079.39