Finding the Third Proportional to 3,861.42 and 4,225.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.42 : 4,225.92 = 4,225.92 : x
2. Step 2: Convert to fraction form
   3,861.42/4,225.92 = 4,225.92/x
3. Step 3: Cross multiply
   3,861.42x = 4,225.92 × 4,225.92
4. Step 4: Simplify right side
   3,861.42x = 17,858,415.69
5. Step 5: Solve for x
   x = 17,858,415.69/3,861.42
6. Step 6: Final answer
   x = 4,624.83