Finding the Third Proportional to 10,112 and 20,710

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112 : 20,710 = 20,710 : x
2. Step 2: Convert to fraction form
   10,112/20,710 = 20,710/x
3. Step 3: Cross multiply
   10,112x = 20,710 × 20,710
4. Step 4: Simplify right side
   10,112x = 428,904,100
5. Step 5: Solve for x
   x = 428,904,100/10,112
6. Step 6: Final answer
   x = 42,415.36