Finding the Third Proportional to 2,116,790 and 3,179,949

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,790 : 3,179,949 = 3,179,949 : x
2. Step 2: Convert to fraction form
   2,116,790/3,179,949 = 3,179,949/x
3. Step 3: Cross multiply
   2,116,790x = 3,179,949 × 3,179,949
4. Step 4: Simplify right side
   2,116,790x = 10,112,075,642,601
5. Step 5: Solve for x
   x = 10,112,075,642,601/2,116,790
6. Step 6: Final answer
   x = 4,777,080.22