Finding the Third Proportional to 339,300.56 and 730,729.69

Step by Step Solution

1. Step 1: Write the proportion equation
   339,300.56 : 730,729.69 = 730,729.69 : x
2. Step 2: Convert to fraction form
   339,300.56/730,729.69 = 730,729.69/x
3. Step 3: Cross multiply
   339,300.56x = 730,729.69 × 730,729.69
4. Step 4: Simplify right side
   339,300.56x = 533,965,876,193.85
5. Step 5: Solve for x
   x = 533,965,876,193.85/339,300.56
6. Step 6: Final answer
   x = 1,573,725.29