Finding the Third Proportional to 3,939,741 and 8,626,854

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,741 : 8,626,854 = 8,626,854 : x
2. Step 2: Convert to fraction form
   3,939,741/8,626,854 = 8,626,854/x
3. Step 3: Cross multiply
   3,939,741x = 8,626,854 × 8,626,854
4. Step 4: Simplify right side
   3,939,741x = 74,422,609,937,316
5. Step 5: Solve for x
   x = 74,422,609,937,316/3,939,741
6. Step 6: Final answer
   x = 18,890,229.06