Finding the Third Proportional to 196,586 and 300,610

Step by Step Solution

1. Step 1: Write the proportion equation
   196,586 : 300,610 = 300,610 : x
2. Step 2: Convert to fraction form
   196,586/300,610 = 300,610/x
3. Step 3: Cross multiply
   196,586x = 300,610 × 300,610
4. Step 4: Simplify right side
   196,586x = 90,366,372,100
5. Step 5: Solve for x
   x = 90,366,372,100/196,586
6. Step 6: Final answer
   x = 459,678.57