Finding the Third Proportional to 1,236,450 and 2,605,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,450 : 2,605,740 = 2,605,740 : x
2. Step 2: Convert to fraction form
   1,236,450/2,605,740 = 2,605,740/x
3. Step 3: Cross multiply
   1,236,450x = 2,605,740 × 2,605,740
4. Step 4: Simplify right side
   1,236,450x = 6,789,880,947,600
5. Step 5: Solve for x
   x = 6,789,880,947,600/1,236,450
6. Step 6: Final answer
   x = 5,491,431.88