Finding the Third Proportional to 881,603 and 1,309,443

Step by Step Solution

1. Step 1: Write the proportion equation
   881,603 : 1,309,443 = 1,309,443 : x
2. Step 2: Convert to fraction form
   881,603/1,309,443 = 1,309,443/x
3. Step 3: Cross multiply
   881,603x = 1,309,443 × 1,309,443
4. Step 4: Simplify right side
   881,603x = 1,714,640,970,249
5. Step 5: Solve for x
   x = 1,714,640,970,249/881,603
6. Step 6: Final answer
   x = 1,944,912.81