Finding the Third Proportional to 1,628,736 and 3,546,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,736 : 3,546,624 = 3,546,624 : x
2. Step 2: Convert to fraction form
   1,628,736/3,546,624 = 3,546,624/x
3. Step 3: Cross multiply
   1,628,736x = 3,546,624 × 3,546,624
4. Step 4: Simplify right side
   1,628,736x = 12,578,541,797,376
5. Step 5: Solve for x
   x = 12,578,541,797,376/1,628,736
6. Step 6: Final answer
   x = 7,722,885.60