Finding the Third Proportional to 20,403.56 and 43,255.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,403.56 : 43,255.69 = 43,255.69 : x
2. Step 2: Convert to fraction form
   20,403.56/43,255.69 = 43,255.69/x
3. Step 3: Cross multiply
   20,403.56x = 43,255.69 × 43,255.69
4. Step 4: Simplify right side
   20,403.56x = 1,871,054,501.10
5. Step 5: Solve for x
   x = 1,871,054,501.10/20,403.56
6. Step 6: Final answer
   x = 91,702.34