Finding the Third Proportional to 439,911 and 959,910.75

Step by Step Solution

1. Step 1: Write the proportion equation
   439,911 : 959,910.75 = 959,910.75 : x
2. Step 2: Convert to fraction form
   439,911/959,910.75 = 959,910.75/x
3. Step 3: Cross multiply
   439,911x = 959,910.75 × 959,910.75
4. Step 4: Simplify right side
   439,911x = 921,428,647,965.56
5. Step 5: Solve for x
   x = 921,428,647,965.56/439,911
6. Step 6: Final answer
   x = 2,094,579.69