Finding the Third Proportional to 1,568,864 and 2,209,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568,864 : 2,209,258 = 2,209,258 : x
2. Step 2: Convert to fraction form
   1,568,864/2,209,258 = 2,209,258/x
3. Step 3: Cross multiply
   1,568,864x = 2,209,258 × 2,209,258
4. Step 4: Simplify right side
   1,568,864x = 4,880,820,910,564
5. Step 5: Solve for x
   x = 4,880,820,910,564/1,568,864
6. Step 6: Final answer
   x = 3,111,054.18