Finding the Third Proportional to 1,616,826 and 3,520,698

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,826 : 3,520,698 = 3,520,698 : x
2. Step 2: Convert to fraction form
   1,616,826/3,520,698 = 3,520,698/x
3. Step 3: Cross multiply
   1,616,826x = 3,520,698 × 3,520,698
4. Step 4: Simplify right side
   1,616,826x = 12,395,314,407,204
5. Step 5: Solve for x
   x = 12,395,314,407,204/1,616,826
6. Step 6: Final answer
   x = 7,666,449.21