Finding the Third Proportional to 1,968,198 and 4,238,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968,198 : 4,238,256 = 4,238,256 : x
2. Step 2: Convert to fraction form
   1,968,198/4,238,256 = 4,238,256/x
3. Step 3: Cross multiply
   1,968,198x = 4,238,256 × 4,238,256
4. Step 4: Simplify right side
   1,968,198x = 17,962,813,921,536
5. Step 5: Solve for x
   x = 17,962,813,921,536/1,968,198
6. Step 6: Final answer
   x = 9,126,527.88