Finding the Third Proportional to 427,152.50 and 939,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   427,152.50 : 939,570.50 = 939,570.50 : x
2. Step 2: Convert to fraction form
   427,152.50/939,570.50 = 939,570.50/x
3. Step 3: Cross multiply
   427,152.50x = 939,570.50 × 939,570.50
4. Step 4: Simplify right side
   427,152.50x = 882,792,724,470.25
5. Step 5: Solve for x
   x = 882,792,724,470.25/427,152.50
6. Step 6: Final answer
   x = 2,066,692.16