Finding the Third Proportional to 435,792 and 911,520

Step by Step Solution

1. Step 1: Write the proportion equation
   435,792 : 911,520 = 911,520 : x
2. Step 2: Convert to fraction form
   435,792/911,520 = 911,520/x
3. Step 3: Cross multiply
   435,792x = 911,520 × 911,520
4. Step 4: Simplify right side
   435,792x = 830,868,710,400
5. Step 5: Solve for x
   x = 830,868,710,400/435,792
6. Step 6: Final answer
   x = 1,906,571.74