Finding the Third Proportional to 1,274,832 and 1,989,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274,832 : 1,989,576 = 1,989,576 : x
2. Step 2: Convert to fraction form
   1,274,832/1,989,576 = 1,989,576/x
3. Step 3: Cross multiply
   1,274,832x = 1,989,576 × 1,989,576
4. Step 4: Simplify right side
   1,274,832x = 3,958,412,659,776
5. Step 5: Solve for x
   x = 3,958,412,659,776/1,274,832
6. Step 6: Final answer
   x = 3,105,046.52