Finding the Third Proportional to 338,879 and 451,787.25

Step by Step Solution

1. Step 1: Write the proportion equation
   338,879 : 451,787.25 = 451,787.25 : x
2. Step 2: Convert to fraction form
   338,879/451,787.25 = 451,787.25/x
3. Step 3: Cross multiply
   338,879x = 451,787.25 × 451,787.25
4. Step 4: Simplify right side
   338,879x = 204,111,719,262.56
5. Step 5: Solve for x
   x = 204,111,719,262.56/338,879
6. Step 6: Final answer
   x = 602,314.45