Finding the Third Proportional to 814,309 and 1,789,227

Step by Step Solution

1. Step 1: Write the proportion equation
   814,309 : 1,789,227 = 1,789,227 : x
2. Step 2: Convert to fraction form
   814,309/1,789,227 = 1,789,227/x
3. Step 3: Cross multiply
   814,309x = 1,789,227 × 1,789,227
4. Step 4: Simplify right side
   814,309x = 3,201,333,257,529
5. Step 5: Solve for x
   x = 3,201,333,257,529/814,309
6. Step 6: Final answer
   x = 3,931,349.47