Finding the Third Proportional to 1,919,631 and 4,200,846

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,631 : 4,200,846 = 4,200,846 : x
2. Step 2: Convert to fraction form
   1,919,631/4,200,846 = 4,200,846/x
3. Step 3: Cross multiply
   1,919,631x = 4,200,846 × 4,200,846
4. Step 4: Simplify right side
   1,919,631x = 17,647,107,115,716
5. Step 5: Solve for x
   x = 17,647,107,115,716/1,919,631
6. Step 6: Final answer
   x = 9,192,968.40