Finding the Third Proportional to 10,878,993 and 23,679,738

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878,993 : 23,679,738 = 23,679,738 : x
2. Step 2: Convert to fraction form
   10,878,993/23,679,738 = 23,679,738/x
3. Step 3: Cross multiply
   10,878,993x = 23,679,738 × 23,679,738
4. Step 4: Simplify right side
   10,878,993x = 560,729,991,748,644
5. Step 5: Solve for x
   x = 560,729,991,748,644/10,878,993
6. Step 6: Final answer
   x = 51,542,453.58