Finding the Third Proportional to 2,391,456 and 3,553,116

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,456 : 3,553,116 = 3,553,116 : x
2. Step 2: Convert to fraction form
   2,391,456/3,553,116 = 3,553,116/x
3. Step 3: Cross multiply
   2,391,456x = 3,553,116 × 3,553,116
4. Step 4: Simplify right side
   2,391,456x = 12,624,633,309,456
5. Step 5: Solve for x
   x = 12,624,633,309,456/2,391,456
6. Step 6: Final answer
   x = 5,279,057.32