Finding the Third Proportional to 999,504 and 2,185,416

Step by Step Solution

1. Step 1: Write the proportion equation
   999,504 : 2,185,416 = 2,185,416 : x
2. Step 2: Convert to fraction form
   999,504/2,185,416 = 2,185,416/x
3. Step 3: Cross multiply
   999,504x = 2,185,416 × 2,185,416
4. Step 4: Simplify right side
   999,504x = 4,776,043,093,056
5. Step 5: Solve for x
   x = 4,776,043,093,056/999,504
6. Step 6: Final answer
   x = 4,778,413.19