Finding the Third Proportional to 1,487,812 and 3,222,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487,812 : 3,222,836 = 3,222,836 : x
2. Step 2: Convert to fraction form
   1,487,812/3,222,836 = 3,222,836/x
3. Step 3: Cross multiply
   1,487,812x = 3,222,836 × 3,222,836
4. Step 4: Simplify right side
   1,487,812x = 10,386,671,882,896
5. Step 5: Solve for x
   x = 10,386,671,882,896/1,487,812
6. Step 6: Final answer
   x = 6,981,172.27