Finding the Third Proportional to 20,198 and 41,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,198 : 41,401.50 = 41,401.50 : x
2. Step 2: Convert to fraction form
   20,198/41,401.50 = 41,401.50/x
3. Step 3: Cross multiply
   20,198x = 41,401.50 × 41,401.50
4. Step 4: Simplify right side
   20,198x = 1,714,084,202.25
5. Step 5: Solve for x
   x = 1,714,084,202.25/20,198
6. Step 6: Final answer
   x = 84,864.06