Finding the Third Proportional to 816,279 and 1,906,145

Step by Step Solution

1. Step 1: Write the proportion equation
   816,279 : 1,906,145 = 1,906,145 : x
2. Step 2: Convert to fraction form
   816,279/1,906,145 = 1,906,145/x
3. Step 3: Cross multiply
   816,279x = 1,906,145 × 1,906,145
4. Step 4: Simplify right side
   816,279x = 3,633,388,761,025
5. Step 5: Solve for x
   x = 3,633,388,761,025/816,279
6. Step 6: Final answer
   x = 4,451,160.40