Finding the Third Proportional to 20,091.80 and 43,643.81

Step by Step Solution

1. Step 1: Write the proportion equation
   20,091.80 : 43,643.81 = 43,643.81 : x
2. Step 2: Convert to fraction form
   20,091.80/43,643.81 = 43,643.81/x
3. Step 3: Cross multiply
   20,091.80x = 43,643.81 × 43,643.81
4. Step 4: Simplify right side
   20,091.80x = 1,904,782,369.54
5. Step 5: Solve for x
   x = 1,904,782,369.54/20,091.80
6. Step 6: Final answer
   x = 94,803.98