Finding the Third Proportional to 10,231.31 and 14,486.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.31 : 14,486.34 = 14,486.34 : x
2. Step 2: Convert to fraction form
   10,231.31/14,486.34 = 14,486.34/x
3. Step 3: Cross multiply
   10,231.31x = 14,486.34 × 14,486.34
4. Step 4: Simplify right side
   10,231.31x = 209,854,155.24
5. Step 5: Solve for x
   x = 209,854,155.24/10,231.31
6. Step 6: Final answer
   x = 20,510.97