Finding the Third Proportional to 374,161.50 and 820,761

Step by Step Solution

1. Step 1: Write the proportion equation
   374,161.50 : 820,761 = 820,761 : x
2. Step 2: Convert to fraction form
   374,161.50/820,761 = 820,761/x
3. Step 3: Cross multiply
   374,161.50x = 820,761 × 820,761
4. Step 4: Simplify right side
   374,161.50x = 673,648,619,121
5. Step 5: Solve for x
   x = 673,648,619,121/374,161.50
6. Step 6: Final answer
   x = 1,800,422.06