Finding the Third Proportional to 41,256 and 90,240

Step by Step Solution

1. Step 1: Write the proportion equation
   41,256 : 90,240 = 90,240 : x
2. Step 2: Convert to fraction form
   41,256/90,240 = 90,240/x
3. Step 3: Cross multiply
   41,256x = 90,240 × 90,240
4. Step 4: Simplify right side
   41,256x = 8,143,257,600
5. Step 5: Solve for x
   x = 8,143,257,600/41,256
6. Step 6: Final answer
   x = 197,383.60