Finding the Third Proportional to 485,858 and 1,027,108

Step by Step Solution

1. Step 1: Write the proportion equation
   485,858 : 1,027,108 = 1,027,108 : x
2. Step 2: Convert to fraction form
   485,858/1,027,108 = 1,027,108/x
3. Step 3: Cross multiply
   485,858x = 1,027,108 × 1,027,108
4. Step 4: Simplify right side
   485,858x = 1,054,950,843,664
5. Step 5: Solve for x
   x = 1,054,950,843,664/485,858
6. Step 6: Final answer
   x = 2,171,315.17