Finding the Third Proportional to 613,478 and 1,257,482

Step by Step Solution

1. Step 1: Write the proportion equation
   613,478 : 1,257,482 = 1,257,482 : x
2. Step 2: Convert to fraction form
   613,478/1,257,482 = 1,257,482/x
3. Step 3: Cross multiply
   613,478x = 1,257,482 × 1,257,482
4. Step 4: Simplify right side
   613,478x = 1,581,260,980,324
5. Step 5: Solve for x
   x = 1,581,260,980,324/613,478
6. Step 6: Final answer
   x = 2,577,534.94