Finding the Third Proportional to 415,952 and 851,570

Step by Step Solution

1. Step 1: Write the proportion equation
   415,952 : 851,570 = 851,570 : x
2. Step 2: Convert to fraction form
   415,952/851,570 = 851,570/x
3. Step 3: Cross multiply
   415,952x = 851,570 × 851,570
4. Step 4: Simplify right side
   415,952x = 725,171,464,900
5. Step 5: Solve for x
   x = 725,171,464,900/415,952
6. Step 6: Final answer
   x = 1,743,401.80