Finding the Third Proportional to 3,855,184 and 8,144,384

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,184 : 8,144,384 = 8,144,384 : x
2. Step 2: Convert to fraction form
   3,855,184/8,144,384 = 8,144,384/x
3. Step 3: Cross multiply
   3,855,184x = 8,144,384 × 8,144,384
4. Step 4: Simplify right side
   3,855,184x = 66,330,990,739,456
5. Step 5: Solve for x
   x = 66,330,990,739,456/3,855,184
6. Step 6: Final answer
   x = 17,205,661.45