Finding the Third Proportional to 301,934 and 616,978

Step by Step Solution

1. Step 1: Write the proportion equation
   301,934 : 616,978 = 616,978 : x
2. Step 2: Convert to fraction form
   301,934/616,978 = 616,978/x
3. Step 3: Cross multiply
   301,934x = 616,978 × 616,978
4. Step 4: Simplify right side
   301,934x = 380,661,852,484
5. Step 5: Solve for x
   x = 380,661,852,484/301,934
6. Step 6: Final answer
   x = 1,260,745.24