Finding the Third Proportional to 485,128 and 1,036,756

Step by Step Solution

1. Step 1: Write the proportion equation
   485,128 : 1,036,756 = 1,036,756 : x
2. Step 2: Convert to fraction form
   485,128/1,036,756 = 1,036,756/x
3. Step 3: Cross multiply
   485,128x = 1,036,756 × 1,036,756
4. Step 4: Simplify right side
   485,128x = 1,074,863,003,536
5. Step 5: Solve for x
   x = 1,074,863,003,536/485,128
6. Step 6: Final answer
   x = 2,215,627.64