Finding the Third Proportional to 8,433 and 10,215

Step by Step Solution

1. Step 1: Write the proportion equation
   8,433 : 10,215 = 10,215 : x
2. Step 2: Convert to fraction form
   8,433/10,215 = 10,215/x
3. Step 3: Cross multiply
   8,433x = 10,215 × 10,215
4. Step 4: Simplify right side
   8,433x = 104,346,225
5. Step 5: Solve for x
   x = 104,346,225/8,433
6. Step 6: Final answer
   x = 12,373.56