Finding the Third Proportional to 33,072 and 68,818

Step by Step Solution

1. Step 1: Write the proportion equation
   33,072 : 68,818 = 68,818 : x
2. Step 2: Convert to fraction form
   33,072/68,818 = 68,818/x
3. Step 3: Cross multiply
   33,072x = 68,818 × 68,818
4. Step 4: Simplify right side
   33,072x = 4,735,917,124
5. Step 5: Solve for x
   x = 4,735,917,124/33,072
6. Step 6: Final answer
   x = 143,200.20