Finding the Third Proportional to 49,356 and 72,191

Step by Step Solution

1. Step 1: Write the proportion equation
   49,356 : 72,191 = 72,191 : x
2. Step 2: Convert to fraction form
   49,356/72,191 = 72,191/x
3. Step 3: Cross multiply
   49,356x = 72,191 × 72,191
4. Step 4: Simplify right side
   49,356x = 5,211,540,481
5. Step 5: Solve for x
   x = 5,211,540,481/49,356
6. Step 6: Final answer
   x = 105,590.82