Finding the Third Proportional to 374,158 and 820,753

Step by Step Solution

1. Step 1: Write the proportion equation
   374,158 : 820,753 = 820,753 : x
2. Step 2: Convert to fraction form
   374,158/820,753 = 820,753/x
3. Step 3: Cross multiply
   374,158x = 820,753 × 820,753
4. Step 4: Simplify right side
   374,158x = 673,635,487,009
5. Step 5: Solve for x
   x = 673,635,487,009/374,158
6. Step 6: Final answer
   x = 1,800,403.81