Finding the Third Proportional to 3,895,784 and 8,538,800

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895,784 : 8,538,800 = 8,538,800 : x
2. Step 2: Convert to fraction form
   3,895,784/8,538,800 = 8,538,800/x
3. Step 3: Cross multiply
   3,895,784x = 8,538,800 × 8,538,800
4. Step 4: Simplify right side
   3,895,784x = 72,911,105,440,000
5. Step 5: Solve for x
   x = 72,911,105,440,000/3,895,784
6. Step 6: Final answer
   x = 18,715,387.05