Finding the Third Proportional to 555,098 and 1,309,949

Step by Step Solution

1. Step 1: Write the proportion equation
   555,098 : 1,309,949 = 1,309,949 : x
2. Step 2: Convert to fraction form
   555,098/1,309,949 = 1,309,949/x
3. Step 3: Cross multiply
   555,098x = 1,309,949 × 1,309,949
4. Step 4: Simplify right side
   555,098x = 1,715,966,382,601
5. Step 5: Solve for x
   x = 1,715,966,382,601/555,098
6. Step 6: Final answer
   x = 3,091,285.47