Finding the Third Proportional to 207,007.50 and 303,696

Step by Step Solution

1. Step 1: Write the proportion equation
   207,007.50 : 303,696 = 303,696 : x
2. Step 2: Convert to fraction form
   207,007.50/303,696 = 303,696/x
3. Step 3: Cross multiply
   207,007.50x = 303,696 × 303,696
4. Step 4: Simplify right side
   207,007.50x = 92,231,260,416
5. Step 5: Solve for x
   x = 92,231,260,416/207,007.50
6. Step 6: Final answer
   x = 445,545.50