Finding the Third Proportional to 425,825.25 and 899,631

Step by Step Solution

1. Step 1: Write the proportion equation
   425,825.25 : 899,631 = 899,631 : x
2. Step 2: Convert to fraction form
   425,825.25/899,631 = 899,631/x
3. Step 3: Cross multiply
   425,825.25x = 899,631 × 899,631
4. Step 4: Simplify right side
   425,825.25x = 809,335,936,161
5. Step 5: Solve for x
   x = 809,335,936,161/425,825.25
6. Step 6: Final answer
   x = 1,900,629.27