Finding the Third Proportional to 33,081.75 and 71,128.13

Step by Step Solution

1. Step 1: Write the proportion equation
   33,081.75 : 71,128.13 = 71,128.13 : x
2. Step 2: Convert to fraction form
   33,081.75/71,128.13 = 71,128.13/x
3. Step 3: Cross multiply
   33,081.75x = 71,128.13 × 71,128.13
4. Step 4: Simplify right side
   33,081.75x = 5,059,210,166.02
5. Step 5: Solve for x
   x = 5,059,210,166.02/33,081.75
6. Step 6: Final answer
   x = 152,930.55