Finding the Third Proportional to 124,456 and 188,992

Step by Step Solution

1. Step 1: Write the proportion equation
   124,456 : 188,992 = 188,992 : x
2. Step 2: Convert to fraction form
   124,456/188,992 = 188,992/x
3. Step 3: Cross multiply
   124,456x = 188,992 × 188,992
4. Step 4: Simplify right side
   124,456x = 35,717,976,064
5. Step 5: Solve for x
   x = 35,717,976,064/124,456
6. Step 6: Final answer
   x = 286,992.80