Finding the Third Proportional to 15,142.50 and 33,170.63

Step by Step Solution

1. Step 1: Write the proportion equation
   15,142.50 : 33,170.63 = 33,170.63 : x
2. Step 2: Convert to fraction form
   15,142.50/33,170.63 = 33,170.63/x
3. Step 3: Cross multiply
   15,142.50x = 33,170.63 × 33,170.63
4. Step 4: Simplify right side
   15,142.50x = 1,100,290,362.89
5. Step 5: Solve for x
   x = 1,100,290,362.89/15,142.50
6. Step 6: Final answer
   x = 72,662.40