Finding the Third Proportional to 4,433,640 and 9,530,307

Step by Step Solution

1. Step 1: Write the proportion equation
   4,433,640 : 9,530,307 = 9,530,307 : x
2. Step 2: Convert to fraction form
   4,433,640/9,530,307 = 9,530,307/x
3. Step 3: Cross multiply
   4,433,640x = 9,530,307 × 9,530,307
4. Step 4: Simplify right side
   4,433,640x = 90,826,751,514,249
5. Step 5: Solve for x
   x = 90,826,751,514,249/4,433,640
6. Step 6: Final answer
   x = 20,485,820.12