Finding the Third Proportional to 5,200,878 and 7,746,234

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,878 : 7,746,234 = 7,746,234 : x
2. Step 2: Convert to fraction form
   5,200,878/7,746,234 = 7,746,234/x
3. Step 3: Cross multiply
   5,200,878x = 7,746,234 × 7,746,234
4. Step 4: Simplify right side
   5,200,878x = 60,004,141,182,756
5. Step 5: Solve for x
   x = 60,004,141,182,756/5,200,878
6. Step 6: Final answer
   x = 11,537,309.89