Finding the Third Proportional to 5,177,966 and 7,766,950

Step by Step Solution

1. Step 1: Write the proportion equation
   5,177,966 : 7,766,950 = 7,766,950 : x
2. Step 2: Convert to fraction form
   5,177,966/7,766,950 = 7,766,950/x
3. Step 3: Cross multiply
   5,177,966x = 7,766,950 × 7,766,950
4. Step 4: Simplify right side
   5,177,966x = 60,325,512,302,500
5. Step 5: Solve for x
   x = 60,325,512,302,500/5,177,966
6. Step 6: Final answer
   x = 11,650,426.50