Finding the Third Proportional to 580,870.50 and 1,258,242

Step by Step Solution

1. Step 1: Write the proportion equation
   580,870.50 : 1,258,242 = 1,258,242 : x
2. Step 2: Convert to fraction form
   580,870.50/1,258,242 = 1,258,242/x
3. Step 3: Cross multiply
   580,870.50x = 1,258,242 × 1,258,242
4. Step 4: Simplify right side
   580,870.50x = 1,583,172,930,564
5. Step 5: Solve for x
   x = 1,583,172,930,564/580,870.50
6. Step 6: Final answer
   x = 2,725,517.87