Finding the Third Proportional to 1,147,003 and 1,783,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,003 : 1,783,218 = 1,783,218 : x
2. Step 2: Convert to fraction form
   1,147,003/1,783,218 = 1,783,218/x
3. Step 3: Cross multiply
   1,147,003x = 1,783,218 × 1,783,218
4. Step 4: Simplify right side
   1,147,003x = 3,179,866,435,524
5. Step 5: Solve for x
   x = 3,179,866,435,524/1,147,003
6. Step 6: Final answer
   x = 2,772,326.17