Finding the Third Proportional to 485,123 and 1,036,745

Step by Step Solution

1. Step 1: Write the proportion equation
   485,123 : 1,036,745 = 1,036,745 : x
2. Step 2: Convert to fraction form
   485,123/1,036,745 = 1,036,745/x
3. Step 3: Cross multiply
   485,123x = 1,036,745 × 1,036,745
4. Step 4: Simplify right side
   485,123x = 1,074,840,195,025
5. Step 5: Solve for x
   x = 1,074,840,195,025/485,123
6. Step 6: Final answer
   x = 2,215,603.46