Finding the Third Proportional to 224,580 and 485,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   224,580 : 485,140.50 = 485,140.50 : x
2. Step 2: Convert to fraction form
   224,580/485,140.50 = 485,140.50/x
3. Step 3: Cross multiply
   224,580x = 485,140.50 × 485,140.50
4. Step 4: Simplify right side
   224,580x = 235,361,304,740.25
5. Step 5: Solve for x
   x = 235,361,304,740.25/224,580
6. Step 6: Final answer
   x = 1,048,006.52