Finding the Third Proportional to 20,400.61 and 43,910.86

Step by Step Solution

1. Step 1: Write the proportion equation
   20,400.61 : 43,910.86 = 43,910.86 : x
2. Step 2: Convert to fraction form
   20,400.61/43,910.86 = 43,910.86/x
3. Step 3: Cross multiply
   20,400.61x = 43,910.86 × 43,910.86
4. Step 4: Simplify right side
   20,400.61x = 1,928,163,571.05
5. Step 5: Solve for x
   x = 1,928,163,571.05/20,400.61
6. Step 6: Final answer
   x = 94,515.00