Finding the Third Proportional to 1,724,788 and 3,628,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,788 : 3,628,320 = 3,628,320 : x
2. Step 2: Convert to fraction form
   1,724,788/3,628,320 = 3,628,320/x
3. Step 3: Cross multiply
   1,724,788x = 3,628,320 × 3,628,320
4. Step 4: Simplify right side
   1,724,788x = 13,164,706,022,400
5. Step 5: Solve for x
   x = 13,164,706,022,400/1,724,788
6. Step 6: Final answer
   x = 7,632,651.68