Finding the Third Proportional to 986,838 and 2,051,243

Step by Step Solution

1. Step 1: Write the proportion equation
   986,838 : 2,051,243 = 2,051,243 : x
2. Step 2: Convert to fraction form
   986,838/2,051,243 = 2,051,243/x
3. Step 3: Cross multiply
   986,838x = 2,051,243 × 2,051,243
4. Step 4: Simplify right side
   986,838x = 4,207,597,845,049
5. Step 5: Solve for x
   x = 4,207,597,845,049/986,838
6. Step 6: Final answer
   x = 4,263,716.89