Finding the Third Proportional to 488,206 and 1,028,900

Step by Step Solution

1. Step 1: Write the proportion equation
   488,206 : 1,028,900 = 1,028,900 : x
2. Step 2: Convert to fraction form
   488,206/1,028,900 = 1,028,900/x
3. Step 3: Cross multiply
   488,206x = 1,028,900 × 1,028,900
4. Step 4: Simplify right side
   488,206x = 1,058,635,210,000
5. Step 5: Solve for x
   x = 1,058,635,210,000/488,206
6. Step 6: Final answer
   x = 2,168,419.09