Finding the Third Proportional to 1,617,845 and 3,520,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,845 : 3,520,234 = 3,520,234 : x
2. Step 2: Convert to fraction form
   1,617,845/3,520,234 = 3,520,234/x
3. Step 3: Cross multiply
   1,617,845x = 3,520,234 × 3,520,234
4. Step 4: Simplify right side
   1,617,845x = 12,392,047,414,756
5. Step 5: Solve for x
   x = 12,392,047,414,756/1,617,845
6. Step 6: Final answer
   x = 7,659,601.15