Finding the Third Proportional to 3,837,612 and 8,447,928

Step by Step Solution

1. Step 1: Write the proportion equation
   3,837,612 : 8,447,928 = 8,447,928 : x
2. Step 2: Convert to fraction form
   3,837,612/8,447,928 = 8,447,928/x
3. Step 3: Cross multiply
   3,837,612x = 8,447,928 × 8,447,928
4. Step 4: Simplify right side
   3,837,612x = 71,367,487,493,184
5. Step 5: Solve for x
   x = 71,367,487,493,184/3,837,612
6. Step 6: Final answer
   x = 18,596,848.12