Finding the Third Proportional to 110,768 and 242,980

Step by Step Solution

1. Step 1: Write the proportion equation
   110,768 : 242,980 = 242,980 : x
2. Step 2: Convert to fraction form
   110,768/242,980 = 242,980/x
3. Step 3: Cross multiply
   110,768x = 242,980 × 242,980
4. Step 4: Simplify right side
   110,768x = 59,039,280,400
5. Step 5: Solve for x
   x = 59,039,280,400/110,768
6. Step 6: Final answer
   x = 532,999.43