Finding the Third Proportional to 1,449,378 and 1,968,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,378 : 1,968,218 = 1,968,218 : x
2. Step 2: Convert to fraction form
   1,449,378/1,968,218 = 1,968,218/x
3. Step 3: Cross multiply
   1,449,378x = 1,968,218 × 1,968,218
4. Step 4: Simplify right side
   1,449,378x = 3,873,882,095,524
5. Step 5: Solve for x
   x = 3,873,882,095,524/1,449,378
6. Step 6: Final answer
   x = 2,672,789.36