Finding the Third Proportional to 960,840 and 1,391,616

Step by Step Solution

1. Step 1: Write the proportion equation
   960,840 : 1,391,616 = 1,391,616 : x
2. Step 2: Convert to fraction form
   960,840/1,391,616 = 1,391,616/x
3. Step 3: Cross multiply
   960,840x = 1,391,616 × 1,391,616
4. Step 4: Simplify right side
   960,840x = 1,936,595,091,456
5. Step 5: Solve for x
   x = 1,936,595,091,456/960,840
6. Step 6: Final answer
   x = 2,015,522.97