Finding the Third Proportional to 505,845 and 1,058,454

Step by Step Solution

1. Step 1: Write the proportion equation
   505,845 : 1,058,454 = 1,058,454 : x
2. Step 2: Convert to fraction form
   505,845/1,058,454 = 1,058,454/x
3. Step 3: Cross multiply
   505,845x = 1,058,454 × 1,058,454
4. Step 4: Simplify right side
   505,845x = 1,120,324,870,116
5. Step 5: Solve for x
   x = 1,120,324,870,116/505,845
6. Step 6: Final answer
   x = 2,214,759.21