Finding the Third Proportional to 985,608 and 2,017,872

Step by Step Solution

1. Step 1: Write the proportion equation
   985,608 : 2,017,872 = 2,017,872 : x
2. Step 2: Convert to fraction form
   985,608/2,017,872 = 2,017,872/x
3. Step 3: Cross multiply
   985,608x = 2,017,872 × 2,017,872
4. Step 4: Simplify right side
   985,608x = 4,071,807,408,384
5. Step 5: Solve for x
   x = 4,071,807,408,384/985,608
6. Step 6: Final answer
   x = 4,131,264.57