Finding the Third Proportional to 1,628,744 and 3,546,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,744 : 3,546,640 = 3,546,640 : x
2. Step 2: Convert to fraction form
   1,628,744/3,546,640 = 3,546,640/x
3. Step 3: Cross multiply
   1,628,744x = 3,546,640 × 3,546,640
4. Step 4: Simplify right side
   1,628,744x = 12,578,655,289,600
5. Step 5: Solve for x
   x = 12,578,655,289,600/1,628,744
6. Step 6: Final answer
   x = 7,722,917.35