Finding the Third Proportional to 1,617,842 and 3,520,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,842 : 3,520,228 = 3,520,228 : x
2. Step 2: Convert to fraction form
   1,617,842/3,520,228 = 3,520,228/x
3. Step 3: Cross multiply
   1,617,842x = 3,520,228 × 3,520,228
4. Step 4: Simplify right side
   1,617,842x = 12,392,005,171,984
5. Step 5: Solve for x
   x = 12,392,005,171,984/1,617,842
6. Step 6: Final answer
   x = 7,659,589.24