Finding the Third Proportional to 154,434.75 and 338,394

Step by Step Solution

1. Step 1: Write the proportion equation
   154,434.75 : 338,394 = 338,394 : x
2. Step 2: Convert to fraction form
   154,434.75/338,394 = 338,394/x
3. Step 3: Cross multiply
   154,434.75x = 338,394 × 338,394
4. Step 4: Simplify right side
   154,434.75x = 114,510,499,236
5. Step 5: Solve for x
   x = 114,510,499,236/154,434.75
6. Step 6: Final answer
   x = 741,481.43