Finding the Third Proportional to 3,912 and 7,500

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912 : 7,500 = 7,500 : x
2. Step 2: Convert to fraction form
   3,912/7,500 = 7,500/x
3. Step 3: Cross multiply
   3,912x = 7,500 × 7,500
4. Step 4: Simplify right side
   3,912x = 56,250,000
5. Step 5: Solve for x
   x = 56,250,000/3,912
6. Step 6: Final answer
   x = 14,378.83