Finding the Third Proportional to 727,436 and 1,580,800

Step by Step Solution

1. Step 1: Write the proportion equation
   727,436 : 1,580,800 = 1,580,800 : x
2. Step 2: Convert to fraction form
   727,436/1,580,800 = 1,580,800/x
3. Step 3: Cross multiply
   727,436x = 1,580,800 × 1,580,800
4. Step 4: Simplify right side
   727,436x = 2,498,928,640,000
5. Step 5: Solve for x
   x = 2,498,928,640,000/727,436
6. Step 6: Final answer
   x = 3,435,255.67