Finding the Third Proportional to 133,738.50 and 198,396

Step by Step Solution

1. Step 1: Write the proportion equation
   133,738.50 : 198,396 = 198,396 : x
2. Step 2: Convert to fraction form
   133,738.50/198,396 = 198,396/x
3. Step 3: Cross multiply
   133,738.50x = 198,396 × 198,396
4. Step 4: Simplify right side
   133,738.50x = 39,360,972,816
5. Step 5: Solve for x
   x = 39,360,972,816/133,738.50
6. Step 6: Final answer
   x = 294,312.95