Finding the Third Proportional to 809,544 and 1,776,540

Step by Step Solution

1. Step 1: Write the proportion equation
   809,544 : 1,776,540 = 1,776,540 : x
2. Step 2: Convert to fraction form
   809,544/1,776,540 = 1,776,540/x
3. Step 3: Cross multiply
   809,544x = 1,776,540 × 1,776,540
4. Step 4: Simplify right side
   809,544x = 3,156,094,371,600
5. Step 5: Solve for x
   x = 3,156,094,371,600/809,544
6. Step 6: Final answer
   x = 3,898,607.58