Finding the Third Proportional to 123,039 and 242,433

Step by Step Solution

1. Step 1: Write the proportion equation
   123,039 : 242,433 = 242,433 : x
2. Step 2: Convert to fraction form
   123,039/242,433 = 242,433/x
3. Step 3: Cross multiply
   123,039x = 242,433 × 242,433
4. Step 4: Simplify right side
   123,039x = 58,773,759,489
5. Step 5: Solve for x
   x = 58,773,759,489/123,039
6. Step 6: Final answer
   x = 477,683.98