Finding the Third Proportional to 1,780,936 and 3,960,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,936 : 3,960,500 = 3,960,500 : x
2. Step 2: Convert to fraction form
   1,780,936/3,960,500 = 3,960,500/x
3. Step 3: Cross multiply
   1,780,936x = 3,960,500 × 3,960,500
4. Step 4: Simplify right side
   1,780,936x = 15,685,560,250,000
5. Step 5: Solve for x
   x = 15,685,560,250,000/1,780,936
6. Step 6: Final answer
   x = 8,807,481.15