Finding the Third Proportional to 335,731.50 and 730,458

Step by Step Solution

1. Step 1: Write the proportion equation
   335,731.50 : 730,458 = 730,458 : x
2. Step 2: Convert to fraction form
   335,731.50/730,458 = 730,458/x
3. Step 3: Cross multiply
   335,731.50x = 730,458 × 730,458
4. Step 4: Simplify right side
   335,731.50x = 533,568,889,764
5. Step 5: Solve for x
   x = 533,568,889,764/335,731.50
6. Step 6: Final answer
   x = 1,589,272.65