Finding the Third Proportional to 911,792 and 1,984,123

Step by Step Solution

1. Step 1: Write the proportion equation
   911,792 : 1,984,123 = 1,984,123 : x
2. Step 2: Convert to fraction form
   911,792/1,984,123 = 1,984,123/x
3. Step 3: Cross multiply
   911,792x = 1,984,123 × 1,984,123
4. Step 4: Simplify right side
   911,792x = 3,936,744,079,129
5. Step 5: Solve for x
   x = 3,936,744,079,129/911,792
6. Step 6: Final answer
   x = 4,317,590.06