Finding the Third Proportional to 444,738 and 978,040

Step by Step Solution

1. Step 1: Write the proportion equation
   444,738 : 978,040 = 978,040 : x
2. Step 2: Convert to fraction form
   444,738/978,040 = 978,040/x
3. Step 3: Cross multiply
   444,738x = 978,040 × 978,040
4. Step 4: Simplify right side
   444,738x = 956,562,241,600
5. Step 5: Solve for x
   x = 956,562,241,600/444,738
6. Step 6: Final answer
   x = 2,150,844.41