Finding the Third Proportional to 1,278,579 and 1,985,103

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,579 : 1,985,103 = 1,985,103 : x
2. Step 2: Convert to fraction form
   1,278,579/1,985,103 = 1,985,103/x
3. Step 3: Cross multiply
   1,278,579x = 1,985,103 × 1,985,103
4. Step 4: Simplify right side
   1,278,579x = 3,940,633,920,609
5. Step 5: Solve for x
   x = 3,940,633,920,609/1,278,579
6. Step 6: Final answer
   x = 3,082,041.80