Finding the Third Proportional to 612,642 and 941,443

Step by Step Solution

1. Step 1: Write the proportion equation
   612,642 : 941,443 = 941,443 : x
2. Step 2: Convert to fraction form
   612,642/941,443 = 941,443/x
3. Step 3: Cross multiply
   612,642x = 941,443 × 941,443
4. Step 4: Simplify right side
   612,642x = 886,314,922,249
5. Step 5: Solve for x
   x = 886,314,922,249/612,642
6. Step 6: Final answer
   x = 1,446,709.37