Finding the Third Proportional to 4,644,640 and 7,036,946

Step by Step Solution

1. Step 1: Write the proportion equation
   4,644,640 : 7,036,946 = 7,036,946 : x
2. Step 2: Convert to fraction form
   4,644,640/7,036,946 = 7,036,946/x
3. Step 3: Cross multiply
   4,644,640x = 7,036,946 × 7,036,946
4. Step 4: Simplify right side
   4,644,640x = 49,518,609,006,916
5. Step 5: Solve for x
   x = 49,518,609,006,916/4,644,640
6. Step 6: Final answer
   x = 10,661,452.56