Finding the Third Proportional to 773,221 and 1,616,860

Step by Step Solution

1. Step 1: Write the proportion equation
   773,221 : 1,616,860 = 1,616,860 : x
2. Step 2: Convert to fraction form
   773,221/1,616,860 = 1,616,860/x
3. Step 3: Cross multiply
   773,221x = 1,616,860 × 1,616,860
4. Step 4: Simplify right side
   773,221x = 2,614,236,259,600
5. Step 5: Solve for x
   x = 2,614,236,259,600/773,221
6. Step 6: Final answer
   x = 3,380,969.04