Finding the Third Proportional to 1,629,780 and 3,584,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629,780 : 3,584,456 = 3,584,456 : x
2. Step 2: Convert to fraction form
   1,629,780/3,584,456 = 3,584,456/x
3. Step 3: Cross multiply
   1,629,780x = 3,584,456 × 3,584,456
4. Step 4: Simplify right side
   1,629,780x = 12,848,324,815,936
5. Step 5: Solve for x
   x = 12,848,324,815,936/1,629,780
6. Step 6: Final answer
   x = 7,883,471.89