Finding the Third Proportional to 3,939,542 and 8,467,592

Step by Step Solution

1. Step 1: Write the proportion equation
   3,939,542 : 8,467,592 = 8,467,592 : x
2. Step 2: Convert to fraction form
   3,939,542/8,467,592 = 8,467,592/x
3. Step 3: Cross multiply
   3,939,542x = 8,467,592 × 8,467,592
4. Step 4: Simplify right side
   3,939,542x = 71,700,114,278,464
5. Step 5: Solve for x
   x = 71,700,114,278,464/3,939,542
6. Step 6: Final answer
   x = 18,200,114.20