Finding the Third Proportional to 812,804 and 1,786,496

Step by Step Solution

1. Step 1: Write the proportion equation
   812,804 : 1,786,496 = 1,786,496 : x
2. Step 2: Convert to fraction form
   812,804/1,786,496 = 1,786,496/x
3. Step 3: Cross multiply
   812,804x = 1,786,496 × 1,786,496
4. Step 4: Simplify right side
   812,804x = 3,191,567,958,016
5. Step 5: Solve for x
   x = 3,191,567,958,016/812,804
6. Step 6: Final answer
   x = 3,926,614.48