Finding the Third Proportional to 422,738 and 996,910

Step by Step Solution

1. Step 1: Write the proportion equation
   422,738 : 996,910 = 996,910 : x
2. Step 2: Convert to fraction form
   422,738/996,910 = 996,910/x
3. Step 3: Cross multiply
   422,738x = 996,910 × 996,910
4. Step 4: Simplify right side
   422,738x = 993,829,548,100
5. Step 5: Solve for x
   x = 993,829,548,100/422,738
6. Step 6: Final answer
   x = 2,350,934.97