Finding the Third Proportional to 2,621,409 and 3,541,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,409 : 3,541,686 = 3,541,686 : x
2. Step 2: Convert to fraction form
   2,621,409/3,541,686 = 3,541,686/x
3. Step 3: Cross multiply
   2,621,409x = 3,541,686 × 3,541,686
4. Step 4: Simplify right side
   2,621,409x = 12,543,539,722,596
5. Step 5: Solve for x
   x = 12,543,539,722,596/2,621,409
6. Step 6: Final answer
   x = 4,785,037.25