Finding the Third Proportional to 19,067,640 and 40,629,834

Step by Step Solution

1. Step 1: Write the proportion equation
   19,067,640 : 40,629,834 = 40,629,834 : x
2. Step 2: Convert to fraction form
   19,067,640/40,629,834 = 40,629,834/x
3. Step 3: Cross multiply
   19,067,640x = 40,629,834 × 40,629,834
4. Step 4: Simplify right side
   19,067,640x = 1,650,783,410,867,556
5. Step 5: Solve for x
   x = 1,650,783,410,867,556/19,067,640
6. Step 6: Final answer
   x = 86,575,129.95