Finding the Third Proportional to 196,370 and 300,266

Step by Step Solution

1. Step 1: Write the proportion equation
   196,370 : 300,266 = 300,266 : x
2. Step 2: Convert to fraction form
   196,370/300,266 = 300,266/x
3. Step 3: Cross multiply
   196,370x = 300,266 × 300,266
4. Step 4: Simplify right side
   196,370x = 90,159,670,756
5. Step 5: Solve for x
   x = 90,159,670,756/196,370
6. Step 6: Final answer
   x = 459,131.59