Finding the Third Proportional to 146,416.50 and 198,888

Step by Step Solution

1. Step 1: Write the proportion equation
   146,416.50 : 198,888 = 198,888 : x
2. Step 2: Convert to fraction form
   146,416.50/198,888 = 198,888/x
3. Step 3: Cross multiply
   146,416.50x = 198,888 × 198,888
4. Step 4: Simplify right side
   146,416.50x = 39,556,436,544
5. Step 5: Solve for x
   x = 39,556,436,544/146,416.50
6. Step 6: Final answer
   x = 270,163.79