Finding the Third Proportional to 828,191 and 1,786,864

Step by Step Solution

1. Step 1: Write the proportion equation
   828,191 : 1,786,864 = 1,786,864 : x
2. Step 2: Convert to fraction form
   828,191/1,786,864 = 1,786,864/x
3. Step 3: Cross multiply
   828,191x = 1,786,864 × 1,786,864
4. Step 4: Simplify right side
   828,191x = 3,192,882,954,496
5. Step 5: Solve for x
   x = 3,192,882,954,496/828,191
6. Step 6: Final answer
   x = 3,855,249.52