Finding the Third Proportional to 10,212.75 and 13,152.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212.75 : 13,152.38 = 13,152.38 : x
2. Step 2: Convert to fraction form
   10,212.75/13,152.38 = 13,152.38/x
3. Step 3: Cross multiply
   10,212.75x = 13,152.38 × 13,152.38
4. Step 4: Simplify right side
   10,212.75x = 172,984,968.14
5. Step 5: Solve for x
   x = 172,984,968.14/10,212.75
6. Step 6: Final answer
   x = 16,938.14