Finding the Third Proportional to 1,618,810 and 2,338,698

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,810 : 2,338,698 = 2,338,698 : x
2. Step 2: Convert to fraction form
   1,618,810/2,338,698 = 2,338,698/x
3. Step 3: Cross multiply
   1,618,810x = 2,338,698 × 2,338,698
4. Step 4: Simplify right side
   1,618,810x = 5,469,508,335,204
5. Step 5: Solve for x
   x = 5,469,508,335,204/1,618,810
6. Step 6: Final answer
   x = 3,378,721.61