Finding the Third Proportional to 580,860 and 1,258,248

Step by Step Solution

1. Step 1: Write the proportion equation
   580,860 : 1,258,248 = 1,258,248 : x
2. Step 2: Convert to fraction form
   580,860/1,258,248 = 1,258,248/x
3. Step 3: Cross multiply
   580,860x = 1,258,248 × 1,258,248
4. Step 4: Simplify right side
   580,860x = 1,583,188,029,504
5. Step 5: Solve for x
   x = 1,583,188,029,504/580,860
6. Step 6: Final answer
   x = 2,725,593.14