Finding the Third Proportional to 3,494,816 and 7,475,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,816 : 7,475,518 = 7,475,518 : x
2. Step 2: Convert to fraction form
   3,494,816/7,475,518 = 7,475,518/x
3. Step 3: Cross multiply
   3,494,816x = 7,475,518 × 7,475,518
4. Step 4: Simplify right side
   3,494,816x = 55,883,369,368,324
5. Step 5: Solve for x
   x = 55,883,369,368,324/3,494,816
6. Step 6: Final answer
   x = 15,990,360.97