Finding the Third Proportional to 1,820,168 and 3,949,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,168 : 3,949,736 = 3,949,736 : x
2. Step 2: Convert to fraction form
   1,820,168/3,949,736 = 3,949,736/x
3. Step 3: Cross multiply
   1,820,168x = 3,949,736 × 3,949,736
4. Step 4: Simplify right side
   1,820,168x = 15,600,414,469,696
5. Step 5: Solve for x
   x = 15,600,414,469,696/1,820,168
6. Step 6: Final answer
   x = 8,570,865.15