Finding the Third Proportional to 20,942.25 and 45,570.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,942.25 : 45,570.75 = 45,570.75 : x
2. Step 2: Convert to fraction form
   20,942.25/45,570.75 = 45,570.75/x
3. Step 3: Cross multiply
   20,942.25x = 45,570.75 × 45,570.75
4. Step 4: Simplify right side
   20,942.25x = 2,076,693,255.56
5. Step 5: Solve for x
   x = 2,076,693,255.56/20,942.25
6. Step 6: Final answer
   x = 99,162.85