Finding the Third Proportional to 616,884 and 1,428,003

Step by Step Solution

1. Step 1: Write the proportion equation
   616,884 : 1,428,003 = 1,428,003 : x
2. Step 2: Convert to fraction form
   616,884/1,428,003 = 1,428,003/x
3. Step 3: Cross multiply
   616,884x = 1,428,003 × 1,428,003
4. Step 4: Simplify right side
   616,884x = 2,039,192,568,009
5. Step 5: Solve for x
   x = 2,039,192,568,009/616,884
6. Step 6: Final answer
   x = 3,305,633.75