Finding the Third Proportional to 385,995 and 850,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,995 : 850,519.50 = 850,519.50 : x
2. Step 2: Convert to fraction form
   385,995/850,519.50 = 850,519.50/x
3. Step 3: Cross multiply
   385,995x = 850,519.50 × 850,519.50
4. Step 4: Simplify right side
   385,995x = 723,383,419,880.25
5. Step 5: Solve for x
   x = 723,383,419,880.25/385,995
6. Step 6: Final answer
   x = 1,874,074.59