Finding the Third Proportional to 5,644,084 and 8,518,614

Step by Step Solution

1. Step 1: Write the proportion equation
   5,644,084 : 8,518,614 = 8,518,614 : x
2. Step 2: Convert to fraction form
   5,644,084/8,518,614 = 8,518,614/x
3. Step 3: Cross multiply
   5,644,084x = 8,518,614 × 8,518,614
4. Step 4: Simplify right side
   5,644,084x = 72,566,784,480,996
5. Step 5: Solve for x
   x = 72,566,784,480,996/5,644,084
6. Step 6: Final answer
   x = 12,857,141.12