Finding the Third Proportional to 900,879 and 1,978,941

Step by Step Solution

1. Step 1: Write the proportion equation
   900,879 : 1,978,941 = 1,978,941 : x
2. Step 2: Convert to fraction form
   900,879/1,978,941 = 1,978,941/x
3. Step 3: Cross multiply
   900,879x = 1,978,941 × 1,978,941
4. Step 4: Simplify right side
   900,879x = 3,916,207,481,481
5. Step 5: Solve for x
   x = 3,916,207,481,481/900,879
6. Step 6: Final answer
   x = 4,347,095.98