Finding the Third Proportional to 3,488,858 and 7,391,982

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488,858 : 7,391,982 = 7,391,982 : x
2. Step 2: Convert to fraction form
   3,488,858/7,391,982 = 7,391,982/x
3. Step 3: Cross multiply
   3,488,858x = 7,391,982 × 7,391,982
4. Step 4: Simplify right side
   3,488,858x = 54,641,397,888,324
5. Step 5: Solve for x
   x = 54,641,397,888,324/3,488,858
6. Step 6: Final answer
   x = 15,661,685.83