Finding the Third Proportional to 491,128 and 1,057,825

Step by Step Solution

1. Step 1: Write the proportion equation
   491,128 : 1,057,825 = 1,057,825 : x
2. Step 2: Convert to fraction form
   491,128/1,057,825 = 1,057,825/x
3. Step 3: Cross multiply
   491,128x = 1,057,825 × 1,057,825
4. Step 4: Simplify right side
   491,128x = 1,118,993,730,625
5. Step 5: Solve for x
   x = 1,118,993,730,625/491,128
6. Step 6: Final answer
   x = 2,278,415.67