Finding the Third Proportional to 485,105 and 1,020,475

Step by Step Solution

1. Step 1: Write the proportion equation
   485,105 : 1,020,475 = 1,020,475 : x
2. Step 2: Convert to fraction form
   485,105/1,020,475 = 1,020,475/x
3. Step 3: Cross multiply
   485,105x = 1,020,475 × 1,020,475
4. Step 4: Simplify right side
   485,105x = 1,041,369,225,625
5. Step 5: Solve for x
   x = 1,041,369,225,625/485,105
6. Step 6: Final answer
   x = 2,146,688.30