Finding the Third Proportional to 2,116,772 and 3,179,922

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,772 : 3,179,922 = 3,179,922 : x
2. Step 2: Convert to fraction form
   2,116,772/3,179,922 = 3,179,922/x
3. Step 3: Cross multiply
   2,116,772x = 3,179,922 × 3,179,922
4. Step 4: Simplify right side
   2,116,772x = 10,111,903,926,084
5. Step 5: Solve for x
   x = 10,111,903,926,084/2,116,772
6. Step 6: Final answer
   x = 4,777,039.72