Finding the Third Proportional to 10,621 and 14,858

Step by Step Solution

1. Step 1: Write the proportion equation
   10,621 : 14,858 = 14,858 : x
2. Step 2: Convert to fraction form
   10,621/14,858 = 14,858/x
3. Step 3: Cross multiply
   10,621x = 14,858 × 14,858
4. Step 4: Simplify right side
   10,621x = 220,760,164
5. Step 5: Solve for x
   x = 220,760,164/10,621
6. Step 6: Final answer
   x = 20,785.25