Finding the Third Proportional to 122,960 and 188,010

Step by Step Solution

1. Step 1: Write the proportion equation
   122,960 : 188,010 = 188,010 : x
2. Step 2: Convert to fraction form
   122,960/188,010 = 188,010/x
3. Step 3: Cross multiply
   122,960x = 188,010 × 188,010
4. Step 4: Simplify right side
   122,960x = 35,347,760,100
5. Step 5: Solve for x
   x = 35,347,760,100/122,960
6. Step 6: Final answer
   x = 287,473.65