Finding the Third Proportional to 47,020 and 72,021

Step by Step Solution

1. Step 1: Write the proportion equation
   47,020 : 72,021 = 72,021 : x
2. Step 2: Convert to fraction form
   47,020/72,021 = 72,021/x
3. Step 3: Cross multiply
   47,020x = 72,021 × 72,021
4. Step 4: Simplify right side
   47,020x = 5,187,024,441
5. Step 5: Solve for x
   x = 5,187,024,441/47,020
6. Step 6: Final answer
   x = 110,315.28