Finding the Third Proportional to 3,437,836 and 7,285,469

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437,836 : 7,285,469 = 7,285,469 : x
2. Step 2: Convert to fraction form
   3,437,836/7,285,469 = 7,285,469/x
3. Step 3: Cross multiply
   3,437,836x = 7,285,469 × 7,285,469
4. Step 4: Simplify right side
   3,437,836x = 53,078,058,549,961
5. Step 5: Solve for x
   x = 53,078,058,549,961/3,437,836
6. Step 6: Final answer
   x = 15,439,380.63