Finding the Third Proportional to 2,116,770 and 3,179,919

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,770 : 3,179,919 = 3,179,919 : x
2. Step 2: Convert to fraction form
   2,116,770/3,179,919 = 3,179,919/x
3. Step 3: Cross multiply
   2,116,770x = 3,179,919 × 3,179,919
4. Step 4: Simplify right side
   2,116,770x = 10,111,884,846,561
5. Step 5: Solve for x
   x = 10,111,884,846,561/2,116,770
6. Step 6: Final answer
   x = 4,777,035.22