Finding the Third Proportional to 33,139.13 and 70,287.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.13 : 70,287.75 = 70,287.75 : x
2. Step 2: Convert to fraction form
   33,139.13/70,287.75 = 70,287.75/x
3. Step 3: Cross multiply
   33,139.13x = 70,287.75 × 70,287.75
4. Step 4: Simplify right side
   33,139.13x = 4,940,367,800.06
5. Step 5: Solve for x
   x = 4,940,367,800.06/33,139.13
6. Step 6: Final answer
   x = 149,079.61