Finding the Third Proportional to 152,185.50 and 325,485

Step by Step Solution

1. Step 1: Write the proportion equation
   152,185.50 : 325,485 = 325,485 : x
2. Step 2: Convert to fraction form
   152,185.50/325,485 = 325,485/x
3. Step 3: Cross multiply
   152,185.50x = 325,485 × 325,485
4. Step 4: Simplify right side
   152,185.50x = 105,940,485,225
5. Step 5: Solve for x
   x = 105,940,485,225/152,185.50
6. Step 6: Final answer
   x = 696,127.33