Finding the Third Proportional to 4,068 and 8,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,068 : 8,662.50 = 8,662.50 : x
2. Step 2: Convert to fraction form
   4,068/8,662.50 = 8,662.50/x
3. Step 3: Cross multiply
   4,068x = 8,662.50 × 8,662.50
4. Step 4: Simplify right side
   4,068x = 75,038,906.25
5. Step 5: Solve for x
   x = 75,038,906.25/4,068
6. Step 6: Final answer
   x = 18,446.14