Finding the Third Proportional to 986,860 and 2,051,288

Step by Step Solution

1. Step 1: Write the proportion equation
   986,860 : 2,051,288 = 2,051,288 : x
2. Step 2: Convert to fraction form
   986,860/2,051,288 = 2,051,288/x
3. Step 3: Cross multiply
   986,860x = 2,051,288 × 2,051,288
4. Step 4: Simplify right side
   986,860x = 4,207,782,458,944
5. Step 5: Solve for x
   x = 4,207,782,458,944/986,860
6. Step 6: Final answer
   x = 4,263,808.91