Finding the Third Proportional to 476,779 and 1,010,420

Step by Step Solution

1. Step 1: Write the proportion equation
   476,779 : 1,010,420 = 1,010,420 : x
2. Step 2: Convert to fraction form
   476,779/1,010,420 = 1,010,420/x
3. Step 3: Cross multiply
   476,779x = 1,010,420 × 1,010,420
4. Step 4: Simplify right side
   476,779x = 1,020,948,576,400
5. Step 5: Solve for x
   x = 1,020,948,576,400/476,779
6. Step 6: Final answer
   x = 2,141,345.52