Finding the Third Proportional to 555,108 and 1,309,974

Step by Step Solution

1. Step 1: Write the proportion equation
   555,108 : 1,309,974 = 1,309,974 : x
2. Step 2: Convert to fraction form
   555,108/1,309,974 = 1,309,974/x
3. Step 3: Cross multiply
   555,108x = 1,309,974 × 1,309,974
4. Step 4: Simplify right side
   555,108x = 1,716,031,880,676
5. Step 5: Solve for x
   x = 1,716,031,880,676/555,108
6. Step 6: Final answer
   x = 3,091,347.77