Finding the Third Proportional to 15,343.17 and 28,738.55

Step by Step Solution

1. Step 1: Write the proportion equation
   15,343.17 : 28,738.55 = 28,738.55 : x
2. Step 2: Convert to fraction form
   15,343.17/28,738.55 = 28,738.55/x
3. Step 3: Cross multiply
   15,343.17x = 28,738.55 × 28,738.55
4. Step 4: Simplify right side
   15,343.17x = 825,904,076.49
5. Step 5: Solve for x
   x = 825,904,076.49/15,343.17
6. Step 6: Final answer
   x = 53,828.77