Finding the Third Proportional to 196,461 and 300,330

Step by Step Solution

1. Step 1: Write the proportion equation
   196,461 : 300,330 = 300,330 : x
2. Step 2: Convert to fraction form
   196,461/300,330 = 300,330/x
3. Step 3: Cross multiply
   196,461x = 300,330 × 300,330
4. Step 4: Simplify right side
   196,461x = 90,198,108,900
5. Step 5: Solve for x
   x = 90,198,108,900/196,461
6. Step 6: Final answer
   x = 459,114.58