Finding the Third Proportional to 677,746 and 1,411,676

Step by Step Solution

1. Step 1: Write the proportion equation
   677,746 : 1,411,676 = 1,411,676 : x
2. Step 2: Convert to fraction form
   677,746/1,411,676 = 1,411,676/x
3. Step 3: Cross multiply
   677,746x = 1,411,676 × 1,411,676
4. Step 4: Simplify right side
   677,746x = 1,992,829,128,976
5. Step 5: Solve for x
   x = 1,992,829,128,976/677,746
6. Step 6: Final answer
   x = 2,940,377.56