Finding the Third Proportional to 1,891,878 and 4,151,676

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,878 : 4,151,676 = 4,151,676 : x
2. Step 2: Convert to fraction form
   1,891,878/4,151,676 = 4,151,676/x
3. Step 3: Cross multiply
   1,891,878x = 4,151,676 × 4,151,676
4. Step 4: Simplify right side
   1,891,878x = 17,236,413,608,976
5. Step 5: Solve for x
   x = 17,236,413,608,976/1,891,878
6. Step 6: Final answer
   x = 9,110,742.66