Finding the Third Proportional to 105,239 and 160,485

Step by Step Solution

1. Step 1: Write the proportion equation
   105,239 : 160,485 = 160,485 : x
2. Step 2: Convert to fraction form
   105,239/160,485 = 160,485/x
3. Step 3: Cross multiply
   105,239x = 160,485 × 160,485
4. Step 4: Simplify right side
   105,239x = 25,755,435,225
5. Step 5: Solve for x
   x = 25,755,435,225/105,239
6. Step 6: Final answer
   x = 244,732.80