Finding the Third Proportional to 47,990 and 71,994

Step by Step Solution

1. Step 1: Write the proportion equation
   47,990 : 71,994 = 71,994 : x
2. Step 2: Convert to fraction form
   47,990/71,994 = 71,994/x
3. Step 3: Cross multiply
   47,990x = 71,994 × 71,994
4. Step 4: Simplify right side
   47,990x = 5,183,136,036
5. Step 5: Solve for x
   x = 5,183,136,036/47,990
6. Step 6: Final answer
   x = 108,004.50