Finding the Third Proportional to 301,470 and 627,746

Step by Step Solution

1. Step 1: Write the proportion equation
   301,470 : 627,746 = 627,746 : x
2. Step 2: Convert to fraction form
   301,470/627,746 = 627,746/x
3. Step 3: Cross multiply
   301,470x = 627,746 × 627,746
4. Step 4: Simplify right side
   301,470x = 394,065,040,516
5. Step 5: Solve for x
   x = 394,065,040,516/301,470
6. Step 6: Final answer
   x = 1,307,145.12