Finding the Third Proportional to 33,005.81 and 71,272.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,005.81 : 71,272.62 = 71,272.62 : x
2. Step 2: Convert to fraction form
   33,005.81/71,272.62 = 71,272.62/x
3. Step 3: Cross multiply
   33,005.81x = 71,272.62 × 71,272.62
4. Step 4: Simplify right side
   33,005.81x = 5,079,785,960.76
5. Step 5: Solve for x
   x = 5,079,785,960.76/33,005.81
6. Step 6: Final answer
   x = 153,905.80