Finding the Third Proportional to 330,481.50 and 445,898

Step by Step Solution

1. Step 1: Write the proportion equation
   330,481.50 : 445,898 = 445,898 : x
2. Step 2: Convert to fraction form
   330,481.50/445,898 = 445,898/x
3. Step 3: Cross multiply
   330,481.50x = 445,898 × 445,898
4. Step 4: Simplify right side
   330,481.50x = 198,825,026,404
5. Step 5: Solve for x
   x = 198,825,026,404/330,481.50
6. Step 6: Final answer
   x = 601,622.26