Finding the Third Proportional to 818,786 and 1,776,734

Step by Step Solution

1. Step 1: Write the proportion equation
   818,786 : 1,776,734 = 1,776,734 : x
2. Step 2: Convert to fraction form
   818,786/1,776,734 = 1,776,734/x
3. Step 3: Cross multiply
   818,786x = 1,776,734 × 1,776,734
4. Step 4: Simplify right side
   818,786x = 3,156,783,706,756
5. Step 5: Solve for x
   x = 3,156,783,706,756/818,786
6. Step 6: Final answer
   x = 3,855,444.17