Finding the Third Proportional to 1,992,619 and 3,172,198

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,619 : 3,172,198 = 3,172,198 : x
2. Step 2: Convert to fraction form
   1,992,619/3,172,198 = 3,172,198/x
3. Step 3: Cross multiply
   1,992,619x = 3,172,198 × 3,172,198
4. Step 4: Simplify right side
   1,992,619x = 10,062,840,151,204
5. Step 5: Solve for x
   x = 10,062,840,151,204/1,992,619
6. Step 6: Final answer
   x = 5,050,057.31