Finding the Third Proportional to 20,904.75 and 43,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,904.75 : 43,540.50 = 43,540.50 : x
2. Step 2: Convert to fraction form
   20,904.75/43,540.50 = 43,540.50/x
3. Step 3: Cross multiply
   20,904.75x = 43,540.50 × 43,540.50
4. Step 4: Simplify right side
   20,904.75x = 1,895,775,140.25
5. Step 5: Solve for x
   x = 1,895,775,140.25/20,904.75
6. Step 6: Final answer
   x = 90,686.33