Finding the Third Proportional to 359,950.50 and 787,689

Step by Step Solution

1. Step 1: Write the proportion equation
   359,950.50 : 787,689 = 787,689 : x
2. Step 2: Convert to fraction form
   359,950.50/787,689 = 787,689/x
3. Step 3: Cross multiply
   359,950.50x = 787,689 × 787,689
4. Step 4: Simplify right side
   359,950.50x = 620,453,960,721
5. Step 5: Solve for x
   x = 620,453,960,721/359,950.50
6. Step 6: Final answer
   x = 1,723,720.24