Finding the Third Proportional to 12,791.67 and 19,117.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791.67 : 19,117.27 = 19,117.27 : x
2. Step 2: Convert to fraction form
   12,791.67/19,117.27 = 19,117.27/x
3. Step 3: Cross multiply
   12,791.67x = 19,117.27 × 19,117.27
4. Step 4: Simplify right side
   12,791.67x = 365,469,844.98
5. Step 5: Solve for x
   x = 365,469,844.98/12,791.67
6. Step 6: Final answer
   x = 28,570.92