Finding the Third Proportional to 296,900 and 622,976

Step by Step Solution

1. Step 1: Write the proportion equation
   296,900 : 622,976 = 622,976 : x
2. Step 2: Convert to fraction form
   296,900/622,976 = 622,976/x
3. Step 3: Cross multiply
   296,900x = 622,976 × 622,976
4. Step 4: Simplify right side
   296,900x = 388,099,096,576
5. Step 5: Solve for x
   x = 388,099,096,576/296,900
6. Step 6: Final answer
   x = 1,307,171.09