Finding the Third Proportional to 5,528,880 and 8,250,678

Step by Step Solution

1. Step 1: Write the proportion equation
   5,528,880 : 8,250,678 = 8,250,678 : x
2. Step 2: Convert to fraction form
   5,528,880/8,250,678 = 8,250,678/x
3. Step 3: Cross multiply
   5,528,880x = 8,250,678 × 8,250,678
4. Step 4: Simplify right side
   5,528,880x = 68,073,687,459,684
5. Step 5: Solve for x
   x = 68,073,687,459,684/5,528,880
6. Step 6: Final answer
   x = 12,312,382.88