Finding the Third Proportional to 917,779 and 1,968,419

Step by Step Solution

1. Step 1: Write the proportion equation
   917,779 : 1,968,419 = 1,968,419 : x
2. Step 2: Convert to fraction form
   917,779/1,968,419 = 1,968,419/x
3. Step 3: Cross multiply
   917,779x = 1,968,419 × 1,968,419
4. Step 4: Simplify right side
   917,779x = 3,874,673,359,561
5. Step 5: Solve for x
   x = 3,874,673,359,561/917,779
6. Step 6: Final answer
   x = 4,221,793.44