Finding the Third Proportional to 1,056,258 and 2,280,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,258 : 2,280,890 = 2,280,890 : x
2. Step 2: Convert to fraction form
   1,056,258/2,280,890 = 2,280,890/x
3. Step 3: Cross multiply
   1,056,258x = 2,280,890 × 2,280,890
4. Step 4: Simplify right side
   1,056,258x = 5,202,459,192,100
5. Step 5: Solve for x
   x = 5,202,459,192,100/1,056,258
6. Step 6: Final answer
   x = 4,925,367.85