Finding the Third Proportional to 1,617,885 and 3,510,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,885 : 3,510,786 = 3,510,786 : x
2. Step 2: Convert to fraction form
   1,617,885/3,510,786 = 3,510,786/x
3. Step 3: Cross multiply
   1,617,885x = 3,510,786 × 3,510,786
4. Step 4: Simplify right side
   1,617,885x = 12,325,618,337,796
5. Step 5: Solve for x
   x = 12,325,618,337,796/1,617,885
6. Step 6: Final answer
   x = 7,618,352.56