Finding the Third Proportional to 15,456 and 33,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,456 : 33,315.50 = 33,315.50 : x
2. Step 2: Convert to fraction form
   15,456/33,315.50 = 33,315.50/x
3. Step 3: Cross multiply
   15,456x = 33,315.50 × 33,315.50
4. Step 4: Simplify right side
   15,456x = 1,109,922,540.25
5. Step 5: Solve for x
   x = 1,109,922,540.25/15,456
6. Step 6: Final answer
   x = 71,811.76