Finding the Third Proportional to 196,585 and 300,608

Step by Step Solution

1. Step 1: Write the proportion equation
   196,585 : 300,608 = 300,608 : x
2. Step 2: Convert to fraction form
   196,585/300,608 = 300,608/x
3. Step 3: Cross multiply
   196,585x = 300,608 × 300,608
4. Step 4: Simplify right side
   196,585x = 90,365,169,664
5. Step 5: Solve for x
   x = 90,365,169,664/196,585
6. Step 6: Final answer
   x = 459,674.80