Finding the Third Proportional to 425,488 and 630,016

Step by Step Solution

1. Step 1: Write the proportion equation
   425,488 : 630,016 = 630,016 : x
2. Step 2: Convert to fraction form
   425,488/630,016 = 630,016/x
3. Step 3: Cross multiply
   425,488x = 630,016 × 630,016
4. Step 4: Simplify right side
   425,488x = 396,920,160,256
5. Step 5: Solve for x
   x = 396,920,160,256/425,488
6. Step 6: Final answer
   x = 932,858.65