Finding the Third Proportional to 359,293 and 788,570

Step by Step Solution

1. Step 1: Write the proportion equation
   359,293 : 788,570 = 788,570 : x
2. Step 2: Convert to fraction form
   359,293/788,570 = 788,570/x
3. Step 3: Cross multiply
   359,293x = 788,570 × 788,570
4. Step 4: Simplify right side
   359,293x = 621,842,644,900
5. Step 5: Solve for x
   x = 621,842,644,900/359,293
6. Step 6: Final answer
   x = 1,730,739.66