Finding the Third Proportional to 229,791.50 and 496,478

Step by Step Solution

1. Step 1: Write the proportion equation
   229,791.50 : 496,478 = 496,478 : x
2. Step 2: Convert to fraction form
   229,791.50/496,478 = 496,478/x
3. Step 3: Cross multiply
   229,791.50x = 496,478 × 496,478
4. Step 4: Simplify right side
   229,791.50x = 246,490,404,484
5. Step 5: Solve for x
   x = 246,490,404,484/229,791.50
6. Step 6: Final answer
   x = 1,072,669.81