Finding the Third Proportional to 2,207,686 and 3,238,819

Step by Step Solution

1. Step 1: Write the proportion equation
   2,207,686 : 3,238,819 = 3,238,819 : x
2. Step 2: Convert to fraction form
   2,207,686/3,238,819 = 3,238,819/x
3. Step 3: Cross multiply
   2,207,686x = 3,238,819 × 3,238,819
4. Step 4: Simplify right side
   2,207,686x = 10,489,948,514,761
5. Step 5: Solve for x
   x = 10,489,948,514,761/2,207,686
6. Step 6: Final answer
   x = 4,751,558.20