Finding the Third Proportional to 2,189,170 and 4,790,675

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,170 : 4,790,675 = 4,790,675 : x
2. Step 2: Convert to fraction form
   2,189,170/4,790,675 = 4,790,675/x
3. Step 3: Cross multiply
   2,189,170x = 4,790,675 × 4,790,675
4. Step 4: Simplify right side
   2,189,170x = 22,950,566,955,625
5. Step 5: Solve for x
   x = 22,950,566,955,625/2,189,170
6. Step 6: Final answer
   x = 10,483,684.21