Finding the Third Proportional to 3,939,750 and 8,626,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,750 : 8,626,872 = 8,626,872 : x
2. Step 2: Convert to fraction form
   3,939,750/8,626,872 = 8,626,872/x
3. Step 3: Cross multiply
   3,939,750x = 8,626,872 × 8,626,872
4. Step 4: Simplify right side
   3,939,750x = 74,422,920,504,384
5. Step 5: Solve for x
   x = 74,422,920,504,384/3,939,750
6. Step 6: Final answer
   x = 18,890,264.74