Finding the Third Proportional to 1,178,193 and 1,813,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,193 : 1,813,218 = 1,813,218 : x
2. Step 2: Convert to fraction form
   1,178,193/1,813,218 = 1,813,218/x
3. Step 3: Cross multiply
   1,178,193x = 1,813,218 × 1,813,218
4. Step 4: Simplify right side
   1,178,193x = 3,287,759,515,524
5. Step 5: Solve for x
   x = 3,287,759,515,524/1,178,193
6. Step 6: Final answer
   x = 2,790,510.14