Finding the Third Proportional to 8,236.69 and 13,127.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,236.69 : 13,127.06 = 13,127.06 : x
2. Step 2: Convert to fraction form
   8,236.69/13,127.06 = 13,127.06/x
3. Step 3: Cross multiply
   8,236.69x = 13,127.06 × 13,127.06
4. Step 4: Simplify right side
   8,236.69x = 172,319,769.88
5. Step 5: Solve for x
   x = 172,319,769.88/8,236.69
6. Step 6: Final answer
   x = 20,921.00