Finding the Third Proportional to 630,243 and 1,382,931

Step by Step Solution

1. Step 1: Write the proportion equation
   630,243 : 1,382,931 = 1,382,931 : x
2. Step 2: Convert to fraction form
   630,243/1,382,931 = 1,382,931/x
3. Step 3: Cross multiply
   630,243x = 1,382,931 × 1,382,931
4. Step 4: Simplify right side
   630,243x = 1,912,498,150,761
5. Step 5: Solve for x
   x = 1,912,498,150,761/630,243
6. Step 6: Final answer
   x = 3,034,540.88