Finding the Third Proportional to 5,177,976 and 7,766,963

Step by Step Solution

1. Step 1: Write the proportion equation
   5,177,976 : 7,766,963 = 7,766,963 : x
2. Step 2: Convert to fraction form
   5,177,976/7,766,963 = 7,766,963/x
3. Step 3: Cross multiply
   5,177,976x = 7,766,963 × 7,766,963
4. Step 4: Simplify right side
   5,177,976x = 60,325,714,243,369
5. Step 5: Solve for x
   x = 60,325,714,243,369/5,177,976
6. Step 6: Final answer
   x = 11,650,443.00