Finding the Third Proportional to 111,141 and 242,694

Step by Step Solution

1. Step 1: Write the proportion equation
   111,141 : 242,694 = 242,694 : x
2. Step 2: Convert to fraction form
   111,141/242,694 = 242,694/x
3. Step 3: Cross multiply
   111,141x = 242,694 × 242,694
4. Step 4: Simplify right side
   111,141x = 58,900,377,636
5. Step 5: Solve for x
   x = 58,900,377,636/111,141
6. Step 6: Final answer
   x = 529,960.84