Finding the Third Proportional to 20,845.50 and 45,645.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,845.50 : 45,645.75 = 45,645.75 : x
2. Step 2: Convert to fraction form
   20,845.50/45,645.75 = 45,645.75/x
3. Step 3: Cross multiply
   20,845.50x = 45,645.75 × 45,645.75
4. Step 4: Simplify right side
   20,845.50x = 2,083,534,493.06
5. Step 5: Solve for x
   x = 2,083,534,493.06/20,845.50
6. Step 6: Final answer
   x = 99,951.28