Finding the Third Proportional to 557,841 and 1,219,362

Step by Step Solution

1. Step 1: Write the proportion equation
   557,841 : 1,219,362 = 1,219,362 : x
2. Step 2: Convert to fraction form
   557,841/1,219,362 = 1,219,362/x
3. Step 3: Cross multiply
   557,841x = 1,219,362 × 1,219,362
4. Step 4: Simplify right side
   557,841x = 1,486,843,687,044
5. Step 5: Solve for x
   x = 1,486,843,687,044/557,841
6. Step 6: Final answer
   x = 2,665,353.90