Finding the Third Proportional to 155,382 and 336,180

Step by Step Solution

1. Step 1: Write the proportion equation
   155,382 : 336,180 = 336,180 : x
2. Step 2: Convert to fraction form
   155,382/336,180 = 336,180/x
3. Step 3: Cross multiply
   155,382x = 336,180 × 336,180
4. Step 4: Simplify right side
   155,382x = 113,016,992,400
5. Step 5: Solve for x
   x = 113,016,992,400/155,382
6. Step 6: Final answer
   x = 727,349.32