Finding the Third Proportional to 539,345 and 1,198,404

Step by Step Solution

1. Step 1: Write the proportion equation
   539,345 : 1,198,404 = 1,198,404 : x
2. Step 2: Convert to fraction form
   539,345/1,198,404 = 1,198,404/x
3. Step 3: Cross multiply
   539,345x = 1,198,404 × 1,198,404
4. Step 4: Simplify right side
   539,345x = 1,436,172,147,216
5. Step 5: Solve for x
   x = 1,436,172,147,216/539,345
6. Step 6: Final answer
   x = 2,662,807.94