Finding the Third Proportional to 1,664,716 and 3,591,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,716 : 3,591,656 = 3,591,656 : x
2. Step 2: Convert to fraction form
   1,664,716/3,591,656 = 3,591,656/x
3. Step 3: Cross multiply
   1,664,716x = 3,591,656 × 3,591,656
4. Step 4: Simplify right side
   1,664,716x = 12,899,992,822,336
5. Step 5: Solve for x
   x = 12,899,992,822,336/1,664,716
6. Step 6: Final answer
   x = 7,749,065.20