Finding the Third Proportional to 19,823.25 and 42,912.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,823.25 : 42,912.75 = 42,912.75 : x
2. Step 2: Convert to fraction form
   19,823.25/42,912.75 = 42,912.75/x
3. Step 3: Cross multiply
   19,823.25x = 42,912.75 × 42,912.75
4. Step 4: Simplify right side
   19,823.25x = 1,841,504,112.56
5. Step 5: Solve for x
   x = 1,841,504,112.56/19,823.25
6. Step 6: Final answer
   x = 92,896.18