Finding the Third Proportional to 152,743.50 and 328,995

Step by Step Solution

1. Step 1: Write the proportion equation
   152,743.50 : 328,995 = 328,995 : x
2. Step 2: Convert to fraction form
   152,743.50/328,995 = 328,995/x
3. Step 3: Cross multiply
   152,743.50x = 328,995 × 328,995
4. Step 4: Simplify right side
   152,743.50x = 108,237,710,025
5. Step 5: Solve for x
   x = 108,237,710,025/152,743.50
6. Step 6: Final answer
   x = 708,624.00