Finding the Third Proportional to 30,443.25 and 45,540.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,443.25 : 45,540.75 = 45,540.75 : x
2. Step 2: Convert to fraction form
   30,443.25/45,540.75 = 45,540.75/x
3. Step 3: Cross multiply
   30,443.25x = 45,540.75 × 45,540.75
4. Step 4: Simplify right side
   30,443.25x = 2,073,959,910.56
5. Step 5: Solve for x
   x = 2,073,959,910.56/30,443.25
6. Step 6: Final answer
   x = 68,125.44