Finding the Third Proportional to 1,179,772 and 1,815,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,772 : 1,815,828 = 1,815,828 : x
2. Step 2: Convert to fraction form
   1,179,772/1,815,828 = 1,815,828/x
3. Step 3: Cross multiply
   1,179,772x = 1,815,828 × 1,815,828
4. Step 4: Simplify right side
   1,179,772x = 3,297,231,325,584
5. Step 5: Solve for x
   x = 3,297,231,325,584/1,179,772
6. Step 6: Final answer
   x = 2,794,803.85