Finding the Third Proportional to 133,039.50 and 195,660

Step by Step Solution

1. Step 1: Write the proportion equation
   133,039.50 : 195,660 = 195,660 : x
2. Step 2: Convert to fraction form
   133,039.50/195,660 = 195,660/x
3. Step 3: Cross multiply
   133,039.50x = 195,660 × 195,660
4. Step 4: Simplify right side
   133,039.50x = 38,282,835,600
5. Step 5: Solve for x
   x = 38,282,835,600/133,039.50
6. Step 6: Final answer
   x = 287,755.41