Finding the Third Proportional to 1,820,161 and 3,949,723

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,161 : 3,949,723 = 3,949,723 : x
2. Step 2: Convert to fraction form
   1,820,161/3,949,723 = 3,949,723/x
3. Step 3: Cross multiply
   1,820,161x = 3,949,723 × 3,949,723
4. Step 4: Simplify right side
   1,820,161x = 15,600,311,776,729
5. Step 5: Solve for x
   x = 15,600,311,776,729/1,820,161
6. Step 6: Final answer
   x = 8,570,841.69