Finding the Third Proportional to 3,958.50 and 7,152

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.50 : 7,152 = 7,152 : x
2. Step 2: Convert to fraction form
   3,958.50/7,152 = 7,152/x
3. Step 3: Cross multiply
   3,958.50x = 7,152 × 7,152
4. Step 4: Simplify right side
   3,958.50x = 51,151,104
5. Step 5: Solve for x
   x = 51,151,104/3,958.50
6. Step 6: Final answer
   x = 12,921.84