Finding the Third Proportional to 809,601 and 1,776,666

Step by Step Solution

1. Step 1: Write the proportion equation
   809,601 : 1,776,666 = 1,776,666 : x
2. Step 2: Convert to fraction form
   809,601/1,776,666 = 1,776,666/x
3. Step 3: Cross multiply
   809,601x = 1,776,666 × 1,776,666
4. Step 4: Simplify right side
   809,601x = 3,156,542,075,556
5. Step 5: Solve for x
   x = 3,156,542,075,556/809,601
6. Step 6: Final answer
   x = 3,898,886.09