Finding the Third Proportional to 3,752,640 and 8,193,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,752,640 : 8,193,456 = 8,193,456 : x
2. Step 2: Convert to fraction form
   3,752,640/8,193,456 = 8,193,456/x
3. Step 3: Cross multiply
   3,752,640x = 8,193,456 × 8,193,456
4. Step 4: Simplify right side
   3,752,640x = 67,132,721,223,936
5. Step 5: Solve for x
   x = 67,132,721,223,936/3,752,640
6. Step 6: Final answer
   x = 17,889,464.81