Finding the Third Proportional to 3,607.03 and 7,069.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.03 : 7,069.78 = 7,069.78 : x
2. Step 2: Convert to fraction form
   3,607.03/7,069.78 = 7,069.78/x
3. Step 3: Cross multiply
   3,607.03x = 7,069.78 × 7,069.78
4. Step 4: Simplify right side
   3,607.03x = 49,981,806.92
5. Step 5: Solve for x
   x = 49,981,806.92/3,607.03
6. Step 6: Final answer
   x = 13,856.77