Finding the Third Proportional to 622,425 and 1,365,378

Step by Step Solution

1. Step 1: Write the proportion equation
   622,425 : 1,365,378 = 1,365,378 : x
2. Step 2: Convert to fraction form
   622,425/1,365,378 = 1,365,378/x
3. Step 3: Cross multiply
   622,425x = 1,365,378 × 1,365,378
4. Step 4: Simplify right side
   622,425x = 1,864,257,082,884
5. Step 5: Solve for x
   x = 1,864,257,082,884/622,425
6. Step 6: Final answer
   x = 2,995,151.36