Finding the Third Proportional to 582,419 and 1,245,799

Step by Step Solution

1. Step 1: Write the proportion equation
   582,419 : 1,245,799 = 1,245,799 : x
2. Step 2: Convert to fraction form
   582,419/1,245,799 = 1,245,799/x
3. Step 3: Cross multiply
   582,419x = 1,245,799 × 1,245,799
4. Step 4: Simplify right side
   582,419x = 1,552,015,148,401
5. Step 5: Solve for x
   x = 1,552,015,148,401/582,419
6. Step 6: Final answer
   x = 2,664,774.24