Finding the Third Proportional to 557,144 and 1,202,956

Step by Step Solution

1. Step 1: Write the proportion equation
   557,144 : 1,202,956 = 1,202,956 : x
2. Step 2: Convert to fraction form
   557,144/1,202,956 = 1,202,956/x
3. Step 3: Cross multiply
   557,144x = 1,202,956 × 1,202,956
4. Step 4: Simplify right side
   557,144x = 1,447,103,137,936
5. Step 5: Solve for x
   x = 1,447,103,137,936/557,144
6. Step 6: Final answer
   x = 2,597,359.28