Finding the Third Proportional to 355,747.50 and 770,544

Step by Step Solution

1. Step 1: Write the proportion equation
   355,747.50 : 770,544 = 770,544 : x
2. Step 2: Convert to fraction form
   355,747.50/770,544 = 770,544/x
3. Step 3: Cross multiply
   355,747.50x = 770,544 × 770,544
4. Step 4: Simplify right side
   355,747.50x = 593,738,055,936
5. Step 5: Solve for x
   x = 593,738,055,936/355,747.50
6. Step 6: Final answer
   x = 1,668,987.29