Finding the Third Proportional to 3,177,804 and 4,080,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,177,804 : 4,080,216 = 4,080,216 : x
2. Step 2: Convert to fraction form
   3,177,804/4,080,216 = 4,080,216/x
3. Step 3: Cross multiply
   3,177,804x = 4,080,216 × 4,080,216
4. Step 4: Simplify right side
   3,177,804x = 16,648,162,606,656
5. Step 5: Solve for x
   x = 16,648,162,606,656/3,177,804
6. Step 6: Final answer
   x = 5,238,889.06