Finding the Third Proportional to 818,774 and 1,776,710

Step by Step Solution

1. Step 1: Write the proportion equation
   818,774 : 1,776,710 = 1,776,710 : x
2. Step 2: Convert to fraction form
   818,774/1,776,710 = 1,776,710/x
3. Step 3: Cross multiply
   818,774x = 1,776,710 × 1,776,710
4. Step 4: Simplify right side
   818,774x = 3,156,698,424,100
5. Step 5: Solve for x
   x = 3,156,698,424,100/818,774
6. Step 6: Final answer
   x = 3,855,396.51