Finding the Third Proportional to 1,487,814 and 3,222,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487,814 : 3,222,840 = 3,222,840 : x
2. Step 2: Convert to fraction form
   1,487,814/3,222,840 = 3,222,840/x
3. Step 3: Cross multiply
   1,487,814x = 3,222,840 × 3,222,840
4. Step 4: Simplify right side
   1,487,814x = 10,386,697,665,600
5. Step 5: Solve for x
   x = 10,386,697,665,600/1,487,814
6. Step 6: Final answer
   x = 6,981,180.22