Finding the Third Proportional to 2,150,947 and 4,681,217

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150,947 : 4,681,217 = 4,681,217 : x
2. Step 2: Convert to fraction form
   2,150,947/4,681,217 = 4,681,217/x
3. Step 3: Cross multiply
   2,150,947x = 4,681,217 × 4,681,217
4. Step 4: Simplify right side
   2,150,947x = 21,913,792,601,089
5. Step 5: Solve for x
   x = 21,913,792,601,089/2,150,947
6. Step 6: Final answer
   x = 10,187,974.23