Finding the Third Proportional to 3,557,206 and 7,789,036

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557,206 : 7,789,036 = 7,789,036 : x
2. Step 2: Convert to fraction form
   3,557,206/7,789,036 = 7,789,036/x
3. Step 3: Cross multiply
   3,557,206x = 7,789,036 × 7,789,036
4. Step 4: Simplify right side
   3,557,206x = 60,669,081,809,296
5. Step 5: Solve for x
   x = 60,669,081,809,296/3,557,206
6. Step 6: Final answer
   x = 17,055,262.42