Finding the Third Proportional to 806,128 and 1,204,976

Step by Step Solution

1. Step 1: Write the proportion equation
   806,128 : 1,204,976 = 1,204,976 : x
2. Step 2: Convert to fraction form
   806,128/1,204,976 = 1,204,976/x
3. Step 3: Cross multiply
   806,128x = 1,204,976 × 1,204,976
4. Step 4: Simplify right side
   806,128x = 1,451,967,160,576
5. Step 5: Solve for x
   x = 1,451,967,160,576/806,128
6. Step 6: Final answer
   x = 1,801,162.05