Finding the Third Proportional to 5,177,967 and 7,766,951

Step by Step Solution

1. Step 1: Write the proportion equation
   5,177,967 : 7,766,951 = 7,766,951 : x
2. Step 2: Convert to fraction form
   5,177,967/7,766,951 = 7,766,951/x
3. Step 3: Cross multiply
   5,177,967x = 7,766,951 × 7,766,951
4. Step 4: Simplify right side
   5,177,967x = 60,325,527,836,401
5. Step 5: Solve for x
   x = 60,325,527,836,401/5,177,967
6. Step 6: Final answer
   x = 11,650,427.25