Finding the Third Proportional to 33,211.69 and 71,673.19

Step by Step Solution

1. Step 1: Write the proportion equation
   33,211.69 : 71,673.19 = 71,673.19 : x
2. Step 2: Convert to fraction form
   33,211.69/71,673.19 = 71,673.19/x
3. Step 3: Cross multiply
   33,211.69x = 71,673.19 × 71,673.19
4. Step 4: Simplify right side
   33,211.69x = 5,137,045,806.41
5. Step 5: Solve for x
   x = 5,137,045,806.41/33,211.69
6. Step 6: Final answer
   x = 154,675.84