Finding the Third Proportional to 555,110 and 1,309,979

Step by Step Solution

1. Step 1: Write the proportion equation
   555,110 : 1,309,979 = 1,309,979 : x
2. Step 2: Convert to fraction form
   555,110/1,309,979 = 1,309,979/x
3. Step 3: Cross multiply
   555,110x = 1,309,979 × 1,309,979
4. Step 4: Simplify right side
   555,110x = 1,716,044,980,441
5. Step 5: Solve for x
   x = 1,716,044,980,441/555,110
6. Step 6: Final answer
   x = 3,091,360.24