Finding the Third Proportional to 10,400 and 16,160

Step by Step Solution

1. Step 1: Write the proportion equation
   10,400 : 16,160 = 16,160 : x
2. Step 2: Convert to fraction form
   10,400/16,160 = 16,160/x
3. Step 3: Cross multiply
   10,400x = 16,160 × 16,160
4. Step 4: Simplify right side
   10,400x = 261,145,600
5. Step 5: Solve for x
   x = 261,145,600/10,400
6. Step 6: Final answer
   x = 25,110.15