Finding the Third Proportional to 580,914 and 1,276,380

Step by Step Solution

1. Step 1: Write the proportion equation
   580,914 : 1,276,380 = 1,276,380 : x
2. Step 2: Convert to fraction form
   580,914/1,276,380 = 1,276,380/x
3. Step 3: Cross multiply
   580,914x = 1,276,380 × 1,276,380
4. Step 4: Simplify right side
   580,914x = 1,629,145,904,400
5. Step 5: Solve for x
   x = 1,629,145,904,400/580,914
6. Step 6: Final answer
   x = 2,804,452.82