Finding the Third Proportional to 1,492,840 and 3,198,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492,840 : 3,198,648 = 3,198,648 : x
2. Step 2: Convert to fraction form
   1,492,840/3,198,648 = 3,198,648/x
3. Step 3: Cross multiply
   1,492,840x = 3,198,648 × 3,198,648
4. Step 4: Simplify right side
   1,492,840x = 10,231,349,027,904
5. Step 5: Solve for x
   x = 10,231,349,027,904/1,492,840
6. Step 6: Final answer
   x = 6,853,613.94