Finding the Third Proportional to 1,917,149 and 4,200,951

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,149 : 4,200,951 = 4,200,951 : x
2. Step 2: Convert to fraction form
   1,917,149/4,200,951 = 4,200,951/x
3. Step 3: Cross multiply
   1,917,149x = 4,200,951 × 4,200,951
4. Step 4: Simplify right side
   1,917,149x = 17,647,989,304,401
5. Step 5: Solve for x
   x = 17,647,989,304,401/1,917,149
6. Step 6: Final answer
   x = 9,205,330.05