Finding the Third Proportional to 155,538 and 329,901

Step by Step Solution

1. Step 1: Write the proportion equation
   155,538 : 329,901 = 329,901 : x
2. Step 2: Convert to fraction form
   155,538/329,901 = 329,901/x
3. Step 3: Cross multiply
   155,538x = 329,901 × 329,901
4. Step 4: Simplify right side
   155,538x = 108,834,669,801
5. Step 5: Solve for x
   x = 108,834,669,801/155,538
6. Step 6: Final answer
   x = 699,730.42