Finding the Third Proportional to 625,826 and 1,284,828

Step by Step Solution

1. Step 1: Write the proportion equation
   625,826 : 1,284,828 = 1,284,828 : x
2. Step 2: Convert to fraction form
   625,826/1,284,828 = 1,284,828/x
3. Step 3: Cross multiply
   625,826x = 1,284,828 × 1,284,828
4. Step 4: Simplify right side
   625,826x = 1,650,782,989,584
5. Step 5: Solve for x
   x = 1,650,782,989,584/625,826
6. Step 6: Final answer
   x = 2,637,766.71