Finding the Third Proportional to 43,999 and 72,231

Step by Step Solution

1. Step 1: Write the proportion equation
   43,999 : 72,231 = 72,231 : x
2. Step 2: Convert to fraction form
   43,999/72,231 = 72,231/x
3. Step 3: Cross multiply
   43,999x = 72,231 × 72,231
4. Step 4: Simplify right side
   43,999x = 5,217,317,361
5. Step 5: Solve for x
   x = 5,217,317,361/43,999
6. Step 6: Final answer
   x = 118,578.09