Finding the Third Proportional to 827,170 and 1,786,388

Step by Step Solution

1. Step 1: Write the proportion equation
   827,170 : 1,786,388 = 1,786,388 : x
2. Step 2: Convert to fraction form
   827,170/1,786,388 = 1,786,388/x
3. Step 3: Cross multiply
   827,170x = 1,786,388 × 1,786,388
4. Step 4: Simplify right side
   827,170x = 3,191,182,086,544
5. Step 5: Solve for x
   x = 3,191,182,086,544/827,170
6. Step 6: Final answer
   x = 3,857,951.92