Finding the Third Proportional to 609,590 and 1,319,404

Step by Step Solution

1. Step 1: Write the proportion equation
   609,590 : 1,319,404 = 1,319,404 : x
2. Step 2: Convert to fraction form
   609,590/1,319,404 = 1,319,404/x
3. Step 3: Cross multiply
   609,590x = 1,319,404 × 1,319,404
4. Step 4: Simplify right side
   609,590x = 1,740,826,915,216
5. Step 5: Solve for x
   x = 1,740,826,915,216/609,590
6. Step 6: Final answer
   x = 2,855,734.04