Finding the Third Proportional to 3,462.94 and 7,129.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,462.94 : 7,129.88 = 7,129.88 : x
2. Step 2: Convert to fraction form
   3,462.94/7,129.88 = 7,129.88/x
3. Step 3: Cross multiply
   3,462.94x = 7,129.88 × 7,129.88
4. Step 4: Simplify right side
   3,462.94x = 50,835,117.52
5. Step 5: Solve for x
   x = 50,835,117.52/3,462.94
6. Step 6: Final answer
   x = 14,679.77