Finding the Third Proportional to 1,113,428 and 2,439,655

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,428 : 2,439,655 = 2,439,655 : x
2. Step 2: Convert to fraction form
   1,113,428/2,439,655 = 2,439,655/x
3. Step 3: Cross multiply
   1,113,428x = 2,439,655 × 2,439,655
4. Step 4: Simplify right side
   1,113,428x = 5,951,916,519,025
5. Step 5: Solve for x
   x = 5,951,916,519,025/1,113,428
6. Step 6: Final answer
   x = 5,345,578.27