Finding the Third Proportional to 111,923 and 243,524

Step by Step Solution

1. Step 1: Write the proportion equation
   111,923 : 243,524 = 243,524 : x
2. Step 2: Convert to fraction form
   111,923/243,524 = 243,524/x
3. Step 3: Cross multiply
   111,923x = 243,524 × 243,524
4. Step 4: Simplify right side
   111,923x = 59,303,938,576
5. Step 5: Solve for x
   x = 59,303,938,576/111,923
6. Step 6: Final answer
   x = 529,863.73