Finding the Third Proportional to 10,274.06 and 15,087.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,274.06 : 15,087.09 = 15,087.09 : x
2. Step 2: Convert to fraction form
   10,274.06/15,087.09 = 15,087.09/x
3. Step 3: Cross multiply
   10,274.06x = 15,087.09 × 15,087.09
4. Step 4: Simplify right side
   10,274.06x = 227,620,397.82
5. Step 5: Solve for x
   x = 227,620,397.82/10,274.06
6. Step 6: Final answer
   x = 22,154.86