Finding the Third Proportional to 47,018 and 72,019

Step by Step Solution

1. Step 1: Write the proportion equation
   47,018 : 72,019 = 72,019 : x
2. Step 2: Convert to fraction form
   47,018/72,019 = 72,019/x
3. Step 3: Cross multiply
   47,018x = 72,019 × 72,019
4. Step 4: Simplify right side
   47,018x = 5,186,736,361
5. Step 5: Solve for x
   x = 5,186,736,361/47,018
6. Step 6: Final answer
   x = 110,313.84