Finding the Third Proportional to 1,360,809 and 2,123,945

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360,809 : 2,123,945 = 2,123,945 : x
2. Step 2: Convert to fraction form
   1,360,809/2,123,945 = 2,123,945/x
3. Step 3: Cross multiply
   1,360,809x = 2,123,945 × 2,123,945
4. Step 4: Simplify right side
   1,360,809x = 4,511,142,363,025
5. Step 5: Solve for x
   x = 4,511,142,363,025/1,360,809
6. Step 6: Final answer
   x = 3,315,044.48