Finding the Third Proportional to 1,580,488 and 3,413,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,488 : 3,413,686 = 3,413,686 : x
2. Step 2: Convert to fraction form
   1,580,488/3,413,686 = 3,413,686/x
3. Step 3: Cross multiply
   1,580,488x = 3,413,686 × 3,413,686
4. Step 4: Simplify right side
   1,580,488x = 11,653,252,106,596
5. Step 5: Solve for x
   x = 11,653,252,106,596/1,580,488
6. Step 6: Final answer
   x = 7,373,198.73