Finding the Third Proportional to 11,120 and 16,040

Step by Step Solution

1. Step 1: Write the proportion equation
   11,120 : 16,040 = 16,040 : x
2. Step 2: Convert to fraction form
   11,120/16,040 = 16,040/x
3. Step 3: Cross multiply
   11,120x = 16,040 × 16,040
4. Step 4: Simplify right side
   11,120x = 257,281,600
5. Step 5: Solve for x
   x = 257,281,600/11,120
6. Step 6: Final answer
   x = 23,136.83