Finding the Third Proportional to 1,898,686 and 3,867,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898,686 : 3,867,878 = 3,867,878 : x
2. Step 2: Convert to fraction form
   1,898,686/3,867,878 = 3,867,878/x
3. Step 3: Cross multiply
   1,898,686x = 3,867,878 × 3,867,878
4. Step 4: Simplify right side
   1,898,686x = 14,960,480,222,884
5. Step 5: Solve for x
   x = 14,960,480,222,884/1,898,686
6. Step 6: Final answer
   x = 7,879,386.18