Finding the Third Proportional to 10,666.50 and 15,014.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.50 : 15,014.25 = 15,014.25 : x
2. Step 2: Convert to fraction form
   10,666.50/15,014.25 = 15,014.25/x
3. Step 3: Cross multiply
   10,666.50x = 15,014.25 × 15,014.25
4. Step 4: Simplify right side
   10,666.50x = 225,427,703.06
5. Step 5: Solve for x
   x = 225,427,703.06/10,666.50
6. Step 6: Final answer
   x = 21,134.18