Finding the Third Proportional to 2,709,891 and 4,200,975

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,891 : 4,200,975 = 4,200,975 : x
2. Step 2: Convert to fraction form
   2,709,891/4,200,975 = 4,200,975/x
3. Step 3: Cross multiply
   2,709,891x = 4,200,975 × 4,200,975
4. Step 4: Simplify right side
   2,709,891x = 17,648,190,950,625
5. Step 5: Solve for x
   x = 17,648,190,950,625/2,709,891
6. Step 6: Final answer
   x = 6,512,509.53