Finding the Third Proportional to 336,453.20 and 738,297.83

Step by Step Solution

1. Step 1: Write the proportion equation
   336,453.20 : 738,297.83 = 738,297.83 : x
2. Step 2: Convert to fraction form
   336,453.20/738,297.83 = 738,297.83/x
3. Step 3: Cross multiply
   336,453.20x = 738,297.83 × 738,297.83
4. Step 4: Simplify right side
   336,453.20x = 545,083,693,108.04
5. Step 5: Solve for x
   x = 545,083,693,108.04/336,453.20
6. Step 6: Final answer
   x = 1,620,087.72