Finding the Third Proportional to 584,404 and 1,257,580

Step by Step Solution

1. Step 1: Write the proportion equation
   584,404 : 1,257,580 = 1,257,580 : x
2. Step 2: Convert to fraction form
   584,404/1,257,580 = 1,257,580/x
3. Step 3: Cross multiply
   584,404x = 1,257,580 × 1,257,580
4. Step 4: Simplify right side
   584,404x = 1,581,507,456,400
5. Step 5: Solve for x
   x = 1,581,507,456,400/584,404
6. Step 6: Final answer
   x = 2,706,188.62