Finding the Third Proportional to 374,155.50 and 820,749

Step by Step Solution

1. Step 1: Write the proportion equation
   374,155.50 : 820,749 = 820,749 : x
2. Step 2: Convert to fraction form
   374,155.50/820,749 = 820,749/x
3. Step 3: Cross multiply
   374,155.50x = 820,749 × 820,749
4. Step 4: Simplify right side
   374,155.50x = 673,628,921,001
5. Step 5: Solve for x
   x = 673,628,921,001/374,155.50
6. Step 6: Final answer
   x = 1,800,398.29