Finding the Third Proportional to 443,170.50 and 939,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,170.50 : 939,511.50 = 939,511.50 : x
2. Step 2: Convert to fraction form
   443,170.50/939,511.50 = 939,511.50/x
3. Step 3: Cross multiply
   443,170.50x = 939,511.50 × 939,511.50
4. Step 4: Simplify right side
   443,170.50x = 882,681,858,632.25
5. Step 5: Solve for x
   x = 882,681,858,632.25/443,170.50
6. Step 6: Final answer
   x = 1,991,743.27