Finding the Third Proportional to 154,418 and 335,404

Step by Step Solution

1. Step 1: Write the proportion equation
   154,418 : 335,404 = 335,404 : x
2. Step 2: Convert to fraction form
   154,418/335,404 = 335,404/x
3. Step 3: Cross multiply
   154,418x = 335,404 × 335,404
4. Step 4: Simplify right side
   154,418x = 112,495,843,216
5. Step 5: Solve for x
   x = 112,495,843,216/154,418
6. Step 6: Final answer
   x = 728,515.09