Finding the Third Proportional to 7,959 and 10,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,959 : 10,072.50 = 10,072.50 : x
2. Step 2: Convert to fraction form
   7,959/10,072.50 = 10,072.50/x
3. Step 3: Cross multiply
   7,959x = 10,072.50 × 10,072.50
4. Step 4: Simplify right side
   7,959x = 101,455,256.25
5. Step 5: Solve for x
   x = 101,455,256.25/7,959
6. Step 6: Final answer
   x = 12,747.24