Finding the Third Proportional to 8,936.42 and 19,658.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,936.42 : 19,658.32 = 19,658.32 : x
2. Step 2: Convert to fraction form
   8,936.42/19,658.32 = 19,658.32/x
3. Step 3: Cross multiply
   8,936.42x = 19,658.32 × 19,658.32
4. Step 4: Simplify right side
   8,936.42x = 386,449,557.51
5. Step 5: Solve for x
   x = 386,449,557.51/8,936.42
6. Step 6: Final answer
   x = 43,244.34