Finding the Third Proportional to 353,668.50 and 773,307

Step by Step Solution

1. Step 1: Write the proportion equation
   353,668.50 : 773,307 = 773,307 : x
2. Step 2: Convert to fraction form
   353,668.50/773,307 = 773,307/x
3. Step 3: Cross multiply
   353,668.50x = 773,307 × 773,307
4. Step 4: Simplify right side
   353,668.50x = 598,003,716,249
5. Step 5: Solve for x
   x = 598,003,716,249/353,668.50
6. Step 6: Final answer
   x = 1,690,859.42