Finding the Third Proportional to 1,603,911 and 3,340,518

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,911 : 3,340,518 = 3,340,518 : x
2. Step 2: Convert to fraction form
   1,603,911/3,340,518 = 3,340,518/x
3. Step 3: Cross multiply
   1,603,911x = 3,340,518 × 3,340,518
4. Step 4: Simplify right side
   1,603,911x = 11,159,060,508,324
5. Step 5: Solve for x
   x = 11,159,060,508,324/1,603,911
6. Step 6: Final answer
   x = 6,957,406.31