Finding the Third Proportional to 890,976 and 1,869,432

Step by Step Solution

1. Step 1: Write the proportion equation
   890,976 : 1,869,432 = 1,869,432 : x
2. Step 2: Convert to fraction form
   890,976/1,869,432 = 1,869,432/x
3. Step 3: Cross multiply
   890,976x = 1,869,432 × 1,869,432
4. Step 4: Simplify right side
   890,976x = 3,494,776,002,624
5. Step 5: Solve for x
   x = 3,494,776,002,624/890,976
6. Step 6: Final answer
   x = 3,922,413.18