Finding the Third Proportional to 161,436 and 353,496

Step by Step Solution

1. Step 1: Write the proportion equation
   161,436 : 353,496 = 353,496 : x
2. Step 2: Convert to fraction form
   161,436/353,496 = 353,496/x
3. Step 3: Cross multiply
   161,436x = 353,496 × 353,496
4. Step 4: Simplify right side
   161,436x = 124,959,422,016
5. Step 5: Solve for x
   x = 124,959,422,016/161,436
6. Step 6: Final answer
   x = 774,049.30