Finding the Third Proportional to 359,290.69 and 788,565.38

Step by Step Solution

1. Step 1: Write the proportion equation
   359,290.69 : 788,565.38 = 788,565.38 : x
2. Step 2: Convert to fraction form
   359,290.69/788,565.38 = 788,565.38/x
3. Step 3: Cross multiply
   359,290.69x = 788,565.38 × 788,565.38
4. Step 4: Simplify right side
   359,290.69x = 621,835,350,648.89
5. Step 5: Solve for x
   x = 621,835,350,648.89/359,290.69
6. Step 6: Final answer
   x = 1,730,730.50