Finding the Third Proportional to 441,066 and 648,680

Step by Step Solution

1. Step 1: Write the proportion equation
   441,066 : 648,680 = 648,680 : x
2. Step 2: Convert to fraction form
   441,066/648,680 = 648,680/x
3. Step 3: Cross multiply
   441,066x = 648,680 × 648,680
4. Step 4: Simplify right side
   441,066x = 420,785,742,400
5. Step 5: Solve for x
   x = 420,785,742,400/441,066
6. Step 6: Final answer
   x = 954,019.90