Finding the Third Proportional to 3,481,128 and 5,401,512

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481,128 : 5,401,512 = 5,401,512 : x
2. Step 2: Convert to fraction form
   3,481,128/5,401,512 = 5,401,512/x
3. Step 3: Cross multiply
   3,481,128x = 5,401,512 × 5,401,512
4. Step 4: Simplify right side
   3,481,128x = 29,176,331,886,144
5. Step 5: Solve for x
   x = 29,176,331,886,144/3,481,128
6. Step 6: Final answer
   x = 8,381,286.72