Finding the Third Proportional to 815,816 and 1,749,676

Step by Step Solution

1. Step 1: Write the proportion equation
   815,816 : 1,749,676 = 1,749,676 : x
2. Step 2: Convert to fraction form
   815,816/1,749,676 = 1,749,676/x
3. Step 3: Cross multiply
   815,816x = 1,749,676 × 1,749,676
4. Step 4: Simplify right side
   815,816x = 3,061,366,104,976
5. Step 5: Solve for x
   x = 3,061,366,104,976/815,816
6. Step 6: Final answer
   x = 3,752,520.30