Finding the Third Proportional to 1,965,129 and 4,245,801

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965,129 : 4,245,801 = 4,245,801 : x
2. Step 2: Convert to fraction form
   1,965,129/4,245,801 = 4,245,801/x
3. Step 3: Cross multiply
   1,965,129x = 4,245,801 × 4,245,801
4. Step 4: Simplify right side
   1,965,129x = 18,026,826,131,601
5. Step 5: Solve for x
   x = 18,026,826,131,601/1,965,129
6. Step 6: Final answer
   x = 9,173,355.10