Finding the Third Proportional to 486,810 and 1,048,518

Step by Step Solution

1. Step 1: Write the proportion equation
   486,810 : 1,048,518 = 1,048,518 : x
2. Step 2: Convert to fraction form
   486,810/1,048,518 = 1,048,518/x
3. Step 3: Cross multiply
   486,810x = 1,048,518 × 1,048,518
4. Step 4: Simplify right side
   486,810x = 1,099,389,996,324
5. Step 5: Solve for x
   x = 1,099,389,996,324/486,810
6. Step 6: Final answer
   x = 2,258,355.41