Finding the Third Proportional to 196,717 and 303,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,717 : 303,792.50 = 303,792.50 : x
2. Step 2: Convert to fraction form
   196,717/303,792.50 = 303,792.50/x
3. Step 3: Cross multiply
   196,717x = 303,792.50 × 303,792.50
4. Step 4: Simplify right side
   196,717x = 92,289,883,056.25
5. Step 5: Solve for x
   x = 92,289,883,056.25/196,717
6. Step 6: Final answer
   x = 469,150.52