Finding the Third Proportional to 657,858 and 1,417,227

Step by Step Solution

1. Step 1: Write the proportion equation
   657,858 : 1,417,227 = 1,417,227 : x
2. Step 2: Convert to fraction form
   657,858/1,417,227 = 1,417,227/x
3. Step 3: Cross multiply
   657,858x = 1,417,227 × 1,417,227
4. Step 4: Simplify right side
   657,858x = 2,008,532,369,529
5. Step 5: Solve for x
   x = 2,008,532,369,529/657,858
6. Step 6: Final answer
   x = 3,053,139.69