Finding the Third Proportional to 249,198 and 531,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,198 : 531,016.50 = 531,016.50 : x
2. Step 2: Convert to fraction form
   249,198/531,016.50 = 531,016.50/x
3. Step 3: Cross multiply
   249,198x = 531,016.50 × 531,016.50
4. Step 4: Simplify right side
   249,198x = 281,978,523,272.25
5. Step 5: Solve for x
   x = 281,978,523,272.25/249,198
6. Step 6: Final answer
   x = 1,131,544.09