Finding the Third Proportional to 580,826 and 1,258,168

Step by Step Solution

1. Step 1: Write the proportion equation
   580,826 : 1,258,168 = 1,258,168 : x
2. Step 2: Convert to fraction form
   580,826/1,258,168 = 1,258,168/x
3. Step 3: Cross multiply
   580,826x = 1,258,168 × 1,258,168
4. Step 4: Simplify right side
   580,826x = 1,582,986,716,224
5. Step 5: Solve for x
   x = 1,582,986,716,224/580,826
6. Step 6: Final answer
   x = 2,725,406.09