Finding the Third Proportional to 359,867 and 775,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,867 : 775,092.50 = 775,092.50 : x
2. Step 2: Convert to fraction form
   359,867/775,092.50 = 775,092.50/x
3. Step 3: Cross multiply
   359,867x = 775,092.50 × 775,092.50
4. Step 4: Simplify right side
   359,867x = 600,768,383,556.25
5. Step 5: Solve for x
   x = 600,768,383,556.25/359,867
6. Step 6: Final answer
   x = 1,669,417.82