Finding the Third Proportional to 2,067,450 and 4,380,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067,450 : 4,380,390 = 4,380,390 : x
2. Step 2: Convert to fraction form
   2,067,450/4,380,390 = 4,380,390/x
3. Step 3: Cross multiply
   2,067,450x = 4,380,390 × 4,380,390
4. Step 4: Simplify right side
   2,067,450x = 19,187,816,552,100
5. Step 5: Solve for x
   x = 19,187,816,552,100/2,067,450
6. Step 6: Final answer
   x = 9,280,909.60