Finding the Third Proportional to 845,880 and 1,245,456

Step by Step Solution

1. Step 1: Write the proportion equation
   845,880 : 1,245,456 = 1,245,456 : x
2. Step 2: Convert to fraction form
   845,880/1,245,456 = 1,245,456/x
3. Step 3: Cross multiply
   845,880x = 1,245,456 × 1,245,456
4. Step 4: Simplify right side
   845,880x = 1,551,160,647,936
5. Step 5: Solve for x
   x = 1,551,160,647,936/845,880
6. Step 6: Final answer
   x = 1,833,783.34