Finding the Third Proportional to 20,190.38 and 41,388.19

Step by Step Solution

1. Step 1: Write the proportion equation
   20,190.38 : 41,388.19 = 41,388.19 : x
2. Step 2: Convert to fraction form
   20,190.38/41,388.19 = 41,388.19/x
3. Step 3: Cross multiply
   20,190.38x = 41,388.19 × 41,388.19
4. Step 4: Simplify right side
   20,190.38x = 1,712,982,064.54
5. Step 5: Solve for x
   x = 1,712,982,064.54/20,190.38
6. Step 6: Final answer
   x = 84,841.52