Finding the Third Proportional to 12,957.25 and 19,431.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,957.25 : 19,431.94 = 19,431.94 : x
2. Step 2: Convert to fraction form
   12,957.25/19,431.94 = 19,431.94/x
3. Step 3: Cross multiply
   12,957.25x = 19,431.94 × 19,431.94
4. Step 4: Simplify right side
   12,957.25x = 377,600,195.00
5. Step 5: Solve for x
   x = 377,600,195.00/12,957.25
6. Step 6: Final answer
   x = 29,142.00