Finding the Third Proportional to 365,529 and 815,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   365,529 : 815,105.25 = 815,105.25 : x
2. Step 2: Convert to fraction form
   365,529/815,105.25 = 815,105.25/x
3. Step 3: Cross multiply
   365,529x = 815,105.25 × 815,105.25
4. Step 4: Simplify right side
   365,529x = 664,396,568,577.56
5. Step 5: Solve for x
   x = 664,396,568,577.56/365,529
6. Step 6: Final answer
   x = 1,817,630.25