Finding the Third Proportional to 33,112 and 72,040

Step by Step Solution

1. Step 1: Write the proportion equation
   33,112 : 72,040 = 72,040 : x
2. Step 2: Convert to fraction form
   33,112/72,040 = 72,040/x
3. Step 3: Cross multiply
   33,112x = 72,040 × 72,040
4. Step 4: Simplify right side
   33,112x = 5,189,761,600
5. Step 5: Solve for x
   x = 5,189,761,600/33,112
6. Step 6: Final answer
   x = 156,733.56