Finding the Third Proportional to 353,666 and 773,302

Step by Step Solution

1. Step 1: Write the proportion equation
   353,666 : 773,302 = 773,302 : x
2. Step 2: Convert to fraction form
   353,666/773,302 = 773,302/x
3. Step 3: Cross multiply
   353,666x = 773,302 × 773,302
4. Step 4: Simplify right side
   353,666x = 597,995,983,204
5. Step 5: Solve for x
   x = 597,995,983,204/353,666
6. Step 6: Final answer
   x = 1,690,849.51