Finding the Third Proportional to 611,512 and 1,297,028

Step by Step Solution

1. Step 1: Write the proportion equation
   611,512 : 1,297,028 = 1,297,028 : x
2. Step 2: Convert to fraction form
   611,512/1,297,028 = 1,297,028/x
3. Step 3: Cross multiply
   611,512x = 1,297,028 × 1,297,028
4. Step 4: Simplify right side
   611,512x = 1,682,281,632,784
5. Step 5: Solve for x
   x = 1,682,281,632,784/611,512
6. Step 6: Final answer
   x = 2,751,019.82