Finding the Third Proportional to 3,466,171 and 7,480,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466,171 : 7,480,390 = 7,480,390 : x
2. Step 2: Convert to fraction form
   3,466,171/7,480,390 = 7,480,390/x
3. Step 3: Cross multiply
   3,466,171x = 7,480,390 × 7,480,390
4. Step 4: Simplify right side
   3,466,171x = 55,956,234,552,100
5. Step 5: Solve for x
   x = 55,956,234,552,100/3,466,171
6. Step 6: Final answer
   x = 16,143,529.72