Finding the Third Proportional to 8,071.50 and 12,153.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.50 : 12,153.75 = 12,153.75 : x
2. Step 2: Convert to fraction form
   8,071.50/12,153.75 = 12,153.75/x
3. Step 3: Cross multiply
   8,071.50x = 12,153.75 × 12,153.75
4. Step 4: Simplify right side
   8,071.50x = 147,713,639.06
5. Step 5: Solve for x
   x = 147,713,639.06/8,071.50
6. Step 6: Final answer
   x = 18,300.64