Finding the Third Proportional to 20,199 and 41,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,199 : 41,404.50 = 41,404.50 : x
2. Step 2: Convert to fraction form
   20,199/41,404.50 = 41,404.50/x
3. Step 3: Cross multiply
   20,199x = 41,404.50 × 41,404.50
4. Step 4: Simplify right side
   20,199x = 1,714,332,620.25
5. Step 5: Solve for x
   x = 1,714,332,620.25/20,199
6. Step 6: Final answer
   x = 84,872.15