Finding the Third Proportional to 47,968 and 72,621

Step by Step Solution

1. Step 1: Write the proportion equation
   47,968 : 72,621 = 72,621 : x
2. Step 2: Convert to fraction form
   47,968/72,621 = 72,621/x
3. Step 3: Cross multiply
   47,968x = 72,621 × 72,621
4. Step 4: Simplify right side
   47,968x = 5,273,809,641
5. Step 5: Solve for x
   x = 5,273,809,641/47,968
6. Step 6: Final answer
   x = 109,944.33