Finding the Third Proportional to 4,343,078 and 9,542,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,343,078 : 9,542,648 = 9,542,648 : x
2. Step 2: Convert to fraction form
   4,343,078/9,542,648 = 9,542,648/x
3. Step 3: Cross multiply
   4,343,078x = 9,542,648 × 9,542,648
4. Step 4: Simplify right side
   4,343,078x = 91,062,130,851,904
5. Step 5: Solve for x
   x = 91,062,130,851,904/4,343,078
6. Step 6: Final answer
   x = 20,967,187.52