Finding the Third Proportional to 15,400.50 and 33,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,400.50 : 33,831.50 = 33,831.50 : x
2. Step 2: Convert to fraction form
   15,400.50/33,831.50 = 33,831.50/x
3. Step 3: Cross multiply
   15,400.50x = 33,831.50 × 33,831.50
4. Step 4: Simplify right side
   15,400.50x = 1,144,570,392.25
5. Step 5: Solve for x
   x = 1,144,570,392.25/15,400.50
6. Step 6: Final answer
   x = 74,320.34