Finding the Third Proportional to 222,414.50 and 524,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,414.50 : 524,540.50 = 524,540.50 : x
2. Step 2: Convert to fraction form
   222,414.50/524,540.50 = 524,540.50/x
3. Step 3: Cross multiply
   222,414.50x = 524,540.50 × 524,540.50
4. Step 4: Simplify right side
   222,414.50x = 275,142,736,140.25
5. Step 5: Solve for x
   x = 275,142,736,140.25/222,414.50
6. Step 6: Final answer
   x = 1,237,071.94