Finding the Third Proportional to 8,063.50 and 11,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,063.50 : 11,419.50 = 11,419.50 : x
2. Step 2: Convert to fraction form
   8,063.50/11,419.50 = 11,419.50/x
3. Step 3: Cross multiply
   8,063.50x = 11,419.50 × 11,419.50
4. Step 4: Simplify right side
   8,063.50x = 130,404,980.25
5. Step 5: Solve for x
   x = 130,404,980.25/8,063.50
6. Step 6: Final answer
   x = 16,172.26