Finding the Third Proportional to 20,385 and 41,384

Step by Step Solution

1. Step 1: Write the proportion equation
   20,385 : 41,384 = 41,384 : x
2. Step 2: Convert to fraction form
   20,385/41,384 = 41,384/x
3. Step 3: Cross multiply
   20,385x = 41,384 × 41,384
4. Step 4: Simplify right side
   20,385x = 1,712,635,456
5. Step 5: Solve for x
   x = 1,712,635,456/20,385
6. Step 6: Final answer
   x = 84,014.49