Finding the Third Proportional to 4,786 and 10,118

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786 : 10,118 = 10,118 : x
2. Step 2: Convert to fraction form
   4,786/10,118 = 10,118/x
3. Step 3: Cross multiply
   4,786x = 10,118 × 10,118
4. Step 4: Simplify right side
   4,786x = 102,373,924
5. Step 5: Solve for x
   x = 102,373,924/4,786
6. Step 6: Final answer
   x = 21,390.29