Finding the Third Proportional to 195,061.50 and 366,795

Step by Step Solution

1. Step 1: Write the proportion equation
   195,061.50 : 366,795 = 366,795 : x
2. Step 2: Convert to fraction form
   195,061.50/366,795 = 366,795/x
3. Step 3: Cross multiply
   195,061.50x = 366,795 × 366,795
4. Step 4: Simplify right side
   195,061.50x = 134,538,572,025
5. Step 5: Solve for x
   x = 134,538,572,025/195,061.50
6. Step 6: Final answer
   x = 689,723.87