Finding the Third Proportional to 2,183,144 and 4,474,384

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,144 : 4,474,384 = 4,474,384 : x
2. Step 2: Convert to fraction form
   2,183,144/4,474,384 = 4,474,384/x
3. Step 3: Cross multiply
   2,183,144x = 4,474,384 × 4,474,384
4. Step 4: Simplify right side
   2,183,144x = 20,020,112,179,456
5. Step 5: Solve for x
   x = 20,020,112,179,456/2,183,144
6. Step 6: Final answer
   x = 9,170,312.26