Finding the Third Proportional to 3,158,616 and 4,501,668

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158,616 : 4,501,668 = 4,501,668 : x
2. Step 2: Convert to fraction form
   3,158,616/4,501,668 = 4,501,668/x
3. Step 3: Cross multiply
   3,158,616x = 4,501,668 × 4,501,668
4. Step 4: Simplify right side
   3,158,616x = 20,265,014,782,224
5. Step 5: Solve for x
   x = 20,265,014,782,224/3,158,616
6. Step 6: Final answer
   x = 6,415,789.31