Finding the Third Proportional to 359,950 and 787,688

Step by Step Solution

1. Step 1: Write the proportion equation
   359,950 : 787,688 = 787,688 : x
2. Step 2: Convert to fraction form
   359,950/787,688 = 787,688/x
3. Step 3: Cross multiply
   359,950x = 787,688 × 787,688
4. Step 4: Simplify right side
   359,950x = 620,452,385,344
5. Step 5: Solve for x
   x = 620,452,385,344/359,950
6. Step 6: Final answer
   x = 1,723,718.25