Finding the Third Proportional to 1,109,779 and 1,664,819

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,779 : 1,664,819 = 1,664,819 : x
2. Step 2: Convert to fraction form
   1,109,779/1,664,819 = 1,664,819/x
3. Step 3: Cross multiply
   1,109,779x = 1,664,819 × 1,664,819
4. Step 4: Simplify right side
   1,109,779x = 2,771,622,302,761
5. Step 5: Solve for x
   x = 2,771,622,302,761/1,109,779
6. Step 6: Final answer
   x = 2,497,454.27