Finding the Third Proportional to 5,177,965 and 7,766,948

Step by Step Solution

1. Step 1: Write the proportion equation
   5,177,965 : 7,766,948 = 7,766,948 : x
2. Step 2: Convert to fraction form
   5,177,965/7,766,948 = 7,766,948/x
3. Step 3: Cross multiply
   5,177,965x = 7,766,948 × 7,766,948
4. Step 4: Simplify right side
   5,177,965x = 60,325,481,234,704
5. Step 5: Solve for x
   x = 60,325,481,234,704/5,177,965
6. Step 6: Final answer
   x = 11,650,422.75