Finding the Third Proportional to 810,480 and 1,876,116

Step by Step Solution

1. Step 1: Write the proportion equation
   810,480 : 1,876,116 = 1,876,116 : x
2. Step 2: Convert to fraction form
   810,480/1,876,116 = 1,876,116/x
3. Step 3: Cross multiply
   810,480x = 1,876,116 × 1,876,116
4. Step 4: Simplify right side
   810,480x = 3,519,811,245,456
5. Step 5: Solve for x
   x = 3,519,811,245,456/810,480
6. Step 6: Final answer
   x = 4,342,872.43