Finding the Third Proportional to 373,986 and 822,738

Step by Step Solution

1. Step 1: Write the proportion equation
   373,986 : 822,738 = 822,738 : x
2. Step 2: Convert to fraction form
   373,986/822,738 = 822,738/x
3. Step 3: Cross multiply
   373,986x = 822,738 × 822,738
4. Step 4: Simplify right side
   373,986x = 676,897,816,644
5. Step 5: Solve for x
   x = 676,897,816,644/373,986
6. Step 6: Final answer
   x = 1,809,954.96