Finding the Third Proportional to 1,247,428 and 2,625,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,428 : 2,625,260 = 2,625,260 : x
2. Step 2: Convert to fraction form
   1,247,428/2,625,260 = 2,625,260/x
3. Step 3: Cross multiply
   1,247,428x = 2,625,260 × 2,625,260
4. Step 4: Simplify right side
   1,247,428x = 6,891,990,067,600
5. Step 5: Solve for x
   x = 6,891,990,067,600/1,247,428
6. Step 6: Final answer
   x = 5,524,960.21