Finding the Third Proportional to 765,456 and 1,647,916

Step by Step Solution

1. Step 1: Write the proportion equation
   765,456 : 1,647,916 = 1,647,916 : x
2. Step 2: Convert to fraction form
   765,456/1,647,916 = 1,647,916/x
3. Step 3: Cross multiply
   765,456x = 1,647,916 × 1,647,916
4. Step 4: Simplify right side
   765,456x = 2,715,627,143,056
5. Step 5: Solve for x
   x = 2,715,627,143,056/765,456
6. Step 6: Final answer
   x = 3,547,724.68