Finding the Third Proportional to 369,978 and 797,550

Step by Step Solution

1. Step 1: Write the proportion equation
   369,978 : 797,550 = 797,550 : x
2. Step 2: Convert to fraction form
   369,978/797,550 = 797,550/x
3. Step 3: Cross multiply
   369,978x = 797,550 × 797,550
4. Step 4: Simplify right side
   369,978x = 636,086,002,500
5. Step 5: Solve for x
   x = 636,086,002,500/369,978
6. Step 6: Final answer
   x = 1,719,253.58