Finding the Third Proportional to 682,990 and 1,055,282

Step by Step Solution

1. Step 1: Write the proportion equation
   682,990 : 1,055,282 = 1,055,282 : x
2. Step 2: Convert to fraction form
   682,990/1,055,282 = 1,055,282/x
3. Step 3: Cross multiply
   682,990x = 1,055,282 × 1,055,282
4. Step 4: Simplify right side
   682,990x = 1,113,620,099,524
5. Step 5: Solve for x
   x = 1,113,620,099,524/682,990
6. Step 6: Final answer
   x = 1,630,507.18