Finding the Third Proportional to 555,086 and 1,309,923

Step by Step Solution

1. Step 1: Write the proportion equation
   555,086 : 1,309,923 = 1,309,923 : x
2. Step 2: Convert to fraction form
   555,086/1,309,923 = 1,309,923/x
3. Step 3: Cross multiply
   555,086x = 1,309,923 × 1,309,923
4. Step 4: Simplify right side
   555,086x = 1,715,898,265,929
5. Step 5: Solve for x
   x = 1,715,898,265,929/555,086
6. Step 6: Final answer
   x = 3,091,229.59