Finding the Third Proportional to 1,118,831 and 1,720,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,831 : 1,720,722 = 1,720,722 : x
2. Step 2: Convert to fraction form
   1,118,831/1,720,722 = 1,720,722/x
3. Step 3: Cross multiply
   1,118,831x = 1,720,722 × 1,720,722
4. Step 4: Simplify right side
   1,118,831x = 2,960,884,201,284
5. Step 5: Solve for x
   x = 2,960,884,201,284/1,118,831
6. Step 6: Final answer
   x = 2,646,408.80