Finding the Third Proportional to 8,932.78 and 13,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,932.78 : 13,131.56 = 13,131.56 : x
2. Step 2: Convert to fraction form
   8,932.78/13,131.56 = 13,131.56/x
3. Step 3: Cross multiply
   8,932.78x = 13,131.56 × 13,131.56
4. Step 4: Simplify right side
   8,932.78x = 172,437,933.69
5. Step 5: Solve for x
   x = 172,437,933.69/8,932.78
6. Step 6: Final answer
   x = 19,303.95