Finding the Third Proportional to 152,957.50 and 328,059

Step by Step Solution

1. Step 1: Write the proportion equation
   152,957.50 : 328,059 = 328,059 : x
2. Step 2: Convert to fraction form
   152,957.50/328,059 = 328,059/x
3. Step 3: Cross multiply
   152,957.50x = 328,059 × 328,059
4. Step 4: Simplify right side
   152,957.50x = 107,622,707,481
5. Step 5: Solve for x
   x = 107,622,707,481/152,957.50
6. Step 6: Final answer
   x = 703,611.84