Finding the Third Proportional to 792,387 and 1,707,978

Step by Step Solution

1. Step 1: Write the proportion equation
   792,387 : 1,707,978 = 1,707,978 : x
2. Step 2: Convert to fraction form
   792,387/1,707,978 = 1,707,978/x
3. Step 3: Cross multiply
   792,387x = 1,707,978 × 1,707,978
4. Step 4: Simplify right side
   792,387x = 2,917,188,848,484
5. Step 5: Solve for x
   x = 2,917,188,848,484/792,387
6. Step 6: Final answer
   x = 3,681,520.33