Finding the Third Proportional to 4,309,942 and 9,427,608

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,942 : 9,427,608 = 9,427,608 : x
2. Step 2: Convert to fraction form
   4,309,942/9,427,608 = 9,427,608/x
3. Step 3: Cross multiply
   4,309,942x = 9,427,608 × 9,427,608
4. Step 4: Simplify right side
   4,309,942x = 88,879,792,601,664
5. Step 5: Solve for x
   x = 88,879,792,601,664/4,309,942
6. Step 6: Final answer
   x = 20,622,039.14