Finding the Third Proportional to 1,123,821 and 2,457,459

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,821 : 2,457,459 = 2,457,459 : x
2. Step 2: Convert to fraction form
   1,123,821/2,457,459 = 2,457,459/x
3. Step 3: Cross multiply
   1,123,821x = 2,457,459 × 2,457,459
4. Step 4: Simplify right side
   1,123,821x = 6,039,104,736,681
5. Step 5: Solve for x
   x = 6,039,104,736,681/1,123,821
6. Step 6: Final answer
   x = 5,373,724.76