Finding the Third Proportional to 19,623.13 and 40,279.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,623.13 : 40,279.75 = 40,279.75 : x
2. Step 2: Convert to fraction form
   19,623.13/40,279.75 = 40,279.75/x
3. Step 3: Cross multiply
   19,623.13x = 40,279.75 × 40,279.75
4. Step 4: Simplify right side
   19,623.13x = 1,622,458,260.06
5. Step 5: Solve for x
   x = 1,622,458,260.06/19,623.13
6. Step 6: Final answer
   x = 82,680.93