Finding the Third Proportional to 911,676 and 1,977,874

Step by Step Solution

1. Step 1: Write the proportion equation
   911,676 : 1,977,874 = 1,977,874 : x
2. Step 2: Convert to fraction form
   911,676/1,977,874 = 1,977,874/x
3. Step 3: Cross multiply
   911,676x = 1,977,874 × 1,977,874
4. Step 4: Simplify right side
   911,676x = 3,911,985,559,876
5. Step 5: Solve for x
   x = 3,911,985,559,876/911,676
6. Step 6: Final answer
   x = 4,290,982.28