Finding the Third Proportional to 15,178.50 and 33,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,178.50 : 33,128.50 = 33,128.50 : x
2. Step 2: Convert to fraction form
   15,178.50/33,128.50 = 33,128.50/x
3. Step 3: Cross multiply
   15,178.50x = 33,128.50 × 33,128.50
4. Step 4: Simplify right side
   15,178.50x = 1,097,497,512.25
5. Step 5: Solve for x
   x = 1,097,497,512.25/15,178.50
6. Step 6: Final answer
   x = 72,306.06