Finding the Third Proportional to 123,233.63 and 198,404.44

Step by Step Solution

1. Step 1: Write the proportion equation
   123,233.63 : 198,404.44 = 198,404.44 : x
2. Step 2: Convert to fraction form
   123,233.63/198,404.44 = 198,404.44/x
3. Step 3: Cross multiply
   123,233.63x = 198,404.44 × 198,404.44
4. Step 4: Simplify right side
   123,233.63x = 39,364,320,819.69
5. Step 5: Solve for x
   x = 39,364,320,819.69/123,233.63
6. Step 6: Final answer
   x = 319,428.41