Finding the Third Proportional to 488,196 and 1,028,880

Step by Step Solution

1. Step 1: Write the proportion equation
   488,196 : 1,028,880 = 1,028,880 : x
2. Step 2: Convert to fraction form
   488,196/1,028,880 = 1,028,880/x
3. Step 3: Cross multiply
   488,196x = 1,028,880 × 1,028,880
4. Step 4: Simplify right side
   488,196x = 1,058,594,054,400
5. Step 5: Solve for x
   x = 1,058,594,054,400/488,196
6. Step 6: Final answer
   x = 2,168,379.21