Finding the Third Proportional to 3,016,640 and 4,219,689

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016,640 : 4,219,689 = 4,219,689 : x
2. Step 2: Convert to fraction form
   3,016,640/4,219,689 = 4,219,689/x
3. Step 3: Cross multiply
   3,016,640x = 4,219,689 × 4,219,689
4. Step 4: Simplify right side
   3,016,640x = 17,805,775,256,721
5. Step 5: Solve for x
   x = 17,805,775,256,721/3,016,640
6. Step 6: Final answer
   x = 5,902,519.11