Finding the Third Proportional to 415,932 and 851,538

Step by Step Solution

1. Step 1: Write the proportion equation
   415,932 : 851,538 = 851,538 : x
2. Step 2: Convert to fraction form
   415,932/851,538 = 851,538/x
3. Step 3: Cross multiply
   415,932x = 851,538 × 851,538
4. Step 4: Simplify right side
   415,932x = 725,116,965,444
5. Step 5: Solve for x
   x = 725,116,965,444/415,932
6. Step 6: Final answer
   x = 1,743,354.60