Finding the Third Proportional to 23,990 and 33,640

Step by Step Solution

1. Step 1: Write the proportion equation
   23,990 : 33,640 = 33,640 : x
2. Step 2: Convert to fraction form
   23,990/33,640 = 33,640/x
3. Step 3: Cross multiply
   23,990x = 33,640 × 33,640
4. Step 4: Simplify right side
   23,990x = 1,131,649,600
5. Step 5: Solve for x
   x = 1,131,649,600/23,990
6. Step 6: Final answer
   x = 47,171.72