Finding the Third Proportional to 816,353 and 1,227,644

Step by Step Solution

1. Step 1: Write the proportion equation
   816,353 : 1,227,644 = 1,227,644 : x
2. Step 2: Convert to fraction form
   816,353/1,227,644 = 1,227,644/x
3. Step 3: Cross multiply
   816,353x = 1,227,644 × 1,227,644
4. Step 4: Simplify right side
   816,353x = 1,507,109,790,736
5. Step 5: Solve for x
   x = 1,507,109,790,736/816,353
6. Step 6: Final answer
   x = 1,846,149.63