Finding the Third Proportional to 72,335 and 111,992

Step by Step Solution

1. Step 1: Write the proportion equation
   72,335 : 111,992 = 111,992 : x
2. Step 2: Convert to fraction form
   72,335/111,992 = 111,992/x
3. Step 3: Cross multiply
   72,335x = 111,992 × 111,992
4. Step 4: Simplify right side
   72,335x = 12,542,208,064
5. Step 5: Solve for x
   x = 12,542,208,064/72,335
6. Step 6: Final answer
   x = 173,390.59