Finding the Third Proportional to 1,664,568 and 3,591,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,568 : 3,591,360 = 3,591,360 : x
2. Step 2: Convert to fraction form
   1,664,568/3,591,360 = 3,591,360/x
3. Step 3: Cross multiply
   1,664,568x = 3,591,360 × 3,591,360
4. Step 4: Simplify right side
   1,664,568x = 12,897,866,649,600
5. Step 5: Solve for x
   x = 12,897,866,649,600/1,664,568
6. Step 6: Final answer
   x = 7,748,476.87