Finding the Third Proportional to 19,801 and 41,240

Step by Step Solution

1. Step 1: Write the proportion equation
   19,801 : 41,240 = 41,240 : x
2. Step 2: Convert to fraction form
   19,801/41,240 = 41,240/x
3. Step 3: Cross multiply
   19,801x = 41,240 × 41,240
4. Step 4: Simplify right side
   19,801x = 1,700,737,600
5. Step 5: Solve for x
   x = 1,700,737,600/19,801
6. Step 6: Final answer
   x = 85,891.50