Finding the Third Proportional to 111,002 and 242,740

Step by Step Solution

1. Step 1: Write the proportion equation
   111,002 : 242,740 = 242,740 : x
2. Step 2: Convert to fraction form
   111,002/242,740 = 242,740/x
3. Step 3: Cross multiply
   111,002x = 242,740 × 242,740
4. Step 4: Simplify right side
   111,002x = 58,922,707,600
5. Step 5: Solve for x
   x = 58,922,707,600/111,002
6. Step 6: Final answer
   x = 530,825.64