Finding the Third Proportional to 3,895.59 and 8,430.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.59 : 8,430.96 = 8,430.96 : x
2. Step 2: Convert to fraction form
   3,895.59/8,430.96 = 8,430.96/x
3. Step 3: Cross multiply
   3,895.59x = 8,430.96 × 8,430.96
4. Step 4: Simplify right side
   3,895.59x = 71,081,102.33
5. Step 5: Solve for x
   x = 71,081,102.33/3,895.59
6. Step 6: Final answer
   x = 18,246.54