Finding the Third Proportional to 33,992 and 72,905

Step by Step Solution

1. Step 1: Write the proportion equation
   33,992 : 72,905 = 72,905 : x
2. Step 2: Convert to fraction form
   33,992/72,905 = 72,905/x
3. Step 3: Cross multiply
   33,992x = 72,905 × 72,905
4. Step 4: Simplify right side
   33,992x = 5,315,139,025
5. Step 5: Solve for x
   x = 5,315,139,025/33,992
6. Step 6: Final answer
   x = 156,364.41