Finding the Third Proportional to 196,389 and 300,295

Step by Step Solution

1. Step 1: Write the proportion equation
   196,389 : 300,295 = 300,295 : x
2. Step 2: Convert to fraction form
   196,389/300,295 = 300,295/x
3. Step 3: Cross multiply
   196,389x = 300,295 × 300,295
4. Step 4: Simplify right side
   196,389x = 90,177,087,025
5. Step 5: Solve for x
   x = 90,177,087,025/196,389
6. Step 6: Final answer
   x = 459,175.86