Finding the Third Proportional to 1,947,360 and 4,237,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947,360 : 4,237,578 = 4,237,578 : x
2. Step 2: Convert to fraction form
   1,947,360/4,237,578 = 4,237,578/x
3. Step 3: Cross multiply
   1,947,360x = 4,237,578 × 4,237,578
4. Step 4: Simplify right side
   1,947,360x = 17,957,067,306,084
5. Step 5: Solve for x
   x = 17,957,067,306,084/1,947,360
6. Step 6: Final answer
   x = 9,221,236.60