Finding the Third Proportional to 677,556 and 1,337,976

Step by Step Solution

1. Step 1: Write the proportion equation
   677,556 : 1,337,976 = 1,337,976 : x
2. Step 2: Convert to fraction form
   677,556/1,337,976 = 1,337,976/x
3. Step 3: Cross multiply
   677,556x = 1,337,976 × 1,337,976
4. Step 4: Simplify right side
   677,556x = 1,790,179,776,576
5. Step 5: Solve for x
   x = 1,790,179,776,576/677,556
6. Step 6: Final answer
   x = 2,642,113.38