Finding the Third Proportional to 5,401,684 and 8,282,370

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401,684 : 8,282,370 = 8,282,370 : x
2. Step 2: Convert to fraction form
   5,401,684/8,282,370 = 8,282,370/x
3. Step 3: Cross multiply
   5,401,684x = 8,282,370 × 8,282,370
4. Step 4: Simplify right side
   5,401,684x = 68,597,652,816,900
5. Step 5: Solve for x
   x = 68,597,652,816,900/5,401,684
6. Step 6: Final answer
   x = 12,699,308.74