Finding the Third Proportional to 3,289,916 and 7,615,682

Step by Step Solution

1. Step 1: Write the proportion equation
   3,289,916 : 7,615,682 = 7,615,682 : x
2. Step 2: Convert to fraction form
   3,289,916/7,615,682 = 7,615,682/x
3. Step 3: Cross multiply
   3,289,916x = 7,615,682 × 7,615,682
4. Step 4: Simplify right side
   3,289,916x = 57,998,612,325,124
5. Step 5: Solve for x
   x = 57,998,612,325,124/3,289,916
6. Step 6: Final answer
   x = 17,629,207.65