Finding the Third Proportional to 1,606,420 and 3,378,506

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606,420 : 3,378,506 = 3,378,506 : x
2. Step 2: Convert to fraction form
   1,606,420/3,378,506 = 3,378,506/x
3. Step 3: Cross multiply
   1,606,420x = 3,378,506 × 3,378,506
4. Step 4: Simplify right side
   1,606,420x = 11,414,302,792,036
5. Step 5: Solve for x
   x = 11,414,302,792,036/1,606,420
6. Step 6: Final answer
   x = 7,105,428.71