Finding the Third Proportional to 19,307.25 and 28,791.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,307.25 : 28,791.75 = 28,791.75 : x
2. Step 2: Convert to fraction form
   19,307.25/28,791.75 = 28,791.75/x
3. Step 3: Cross multiply
   19,307.25x = 28,791.75 × 28,791.75
4. Step 4: Simplify right side
   19,307.25x = 828,964,868.06
5. Step 5: Solve for x
   x = 828,964,868.06/19,307.25
6. Step 6: Final answer
   x = 42,935.42