Finding the Third Proportional to 1,078,692 and 2,345,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,692 : 2,345,640 = 2,345,640 : x
2. Step 2: Convert to fraction form
   1,078,692/2,345,640 = 2,345,640/x
3. Step 3: Cross multiply
   1,078,692x = 2,345,640 × 2,345,640
4. Step 4: Simplify right side
   1,078,692x = 5,502,027,009,600
5. Step 5: Solve for x
   x = 5,502,027,009,600/1,078,692
6. Step 6: Final answer
   x = 5,100,646.90