Finding the Third Proportional to 696,690 and 1,042,443

Step by Step Solution

1. Step 1: Write the proportion equation
   696,690 : 1,042,443 = 1,042,443 : x
2. Step 2: Convert to fraction form
   696,690/1,042,443 = 1,042,443/x
3. Step 3: Cross multiply
   696,690x = 1,042,443 × 1,042,443
4. Step 4: Simplify right side
   696,690x = 1,086,687,408,249
5. Step 5: Solve for x
   x = 1,086,687,408,249/696,690
6. Step 6: Final answer
   x = 1,559,786.14