Finding the Third Proportional to 515,436 and 1,066,227

Step by Step Solution

1. Step 1: Write the proportion equation
   515,436 : 1,066,227 = 1,066,227 : x
2. Step 2: Convert to fraction form
   515,436/1,066,227 = 1,066,227/x
3. Step 3: Cross multiply
   515,436x = 1,066,227 × 1,066,227
4. Step 4: Simplify right side
   515,436x = 1,136,840,015,529
5. Step 5: Solve for x
   x = 1,136,840,015,529/515,436
6. Step 6: Final answer
   x = 2,205,589.08