Finding the Third Proportional to 51,809.63 and 80,003.81

Step by Step Solution

1. Step 1: Write the proportion equation
   51,809.63 : 80,003.81 = 80,003.81 : x
2. Step 2: Convert to fraction form
   51,809.63/80,003.81 = 80,003.81/x
3. Step 3: Cross multiply
   51,809.63x = 80,003.81 × 80,003.81
4. Step 4: Simplify right side
   51,809.63x = 6,400,610,014.54
5. Step 5: Solve for x
   x = 6,400,610,014.54/51,809.63
6. Step 6: Final answer
   x = 123,540.94