Finding the Third Proportional to 3,870.75 and 7,107

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.75 : 7,107 = 7,107 : x
2. Step 2: Convert to fraction form
   3,870.75/7,107 = 7,107/x
3. Step 3: Cross multiply
   3,870.75x = 7,107 × 7,107
4. Step 4: Simplify right side
   3,870.75x = 50,509,449
5. Step 5: Solve for x
   x = 50,509,449/3,870.75
6. Step 6: Final answer
   x = 13,049.01