Finding the Third Proportional to 34,274 and 73,072

Step by Step Solution

1. Step 1: Write the proportion equation
   34,274 : 73,072 = 73,072 : x
2. Step 2: Convert to fraction form
   34,274/73,072 = 73,072/x
3. Step 3: Cross multiply
   34,274x = 73,072 × 73,072
4. Step 4: Simplify right side
   34,274x = 5,339,517,184
5. Step 5: Solve for x
   x = 5,339,517,184/34,274
6. Step 6: Final answer
   x = 155,789.15