Finding the Third Proportional to 359,734 and 787,992

Step by Step Solution

1. Step 1: Write the proportion equation
   359,734 : 787,992 = 787,992 : x
2. Step 2: Convert to fraction form
   359,734/787,992 = 787,992/x
3. Step 3: Cross multiply
   359,734x = 787,992 × 787,992
4. Step 4: Simplify right side
   359,734x = 620,931,392,064
5. Step 5: Solve for x
   x = 620,931,392,064/359,734
6. Step 6: Final answer
   x = 1,726,084.81