Finding the Third Proportional to 7,679.81 and 10,425.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,679.81 : 10,425.94 = 10,425.94 : x
2. Step 2: Convert to fraction form
   7,679.81/10,425.94 = 10,425.94/x
3. Step 3: Cross multiply
   7,679.81x = 10,425.94 × 10,425.94
4. Step 4: Simplify right side
   7,679.81x = 108,700,172.75
5. Step 5: Solve for x
   x = 108,700,172.75/7,679.81
6. Step 6: Final answer
   x = 14,154.01