Finding the Third Proportional to 622,980 and 946,782

Step by Step Solution

1. Step 1: Write the proportion equation
   622,980 : 946,782 = 946,782 : x
2. Step 2: Convert to fraction form
   622,980/946,782 = 946,782/x
3. Step 3: Cross multiply
   622,980x = 946,782 × 946,782
4. Step 4: Simplify right side
   622,980x = 896,396,155,524
5. Step 5: Solve for x
   x = 896,396,155,524/622,980
6. Step 6: Final answer
   x = 1,438,884.32