Finding the Third Proportional to 1,073,509 and 2,315,155

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,509 : 2,315,155 = 2,315,155 : x
2. Step 2: Convert to fraction form
   1,073,509/2,315,155 = 2,315,155/x
3. Step 3: Cross multiply
   1,073,509x = 2,315,155 × 2,315,155
4. Step 4: Simplify right side
   1,073,509x = 5,359,942,674,025
5. Step 5: Solve for x
   x = 5,359,942,674,025/1,073,509
6. Step 6: Final answer
   x = 4,992,918.25