Finding the Third Proportional to 373,978 and 822,722

Step by Step Solution

1. Step 1: Write the proportion equation
   373,978 : 822,722 = 822,722 : x
2. Step 2: Convert to fraction form
   373,978/822,722 = 822,722/x
3. Step 3: Cross multiply
   373,978x = 822,722 × 822,722
4. Step 4: Simplify right side
   373,978x = 676,871,489,284
5. Step 5: Solve for x
   x = 676,871,489,284/373,978
6. Step 6: Final answer
   x = 1,809,923.28