Finding the Third Proportional to 2,144,652 and 4,618,806

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,652 : 4,618,806 = 4,618,806 : x
2. Step 2: Convert to fraction form
   2,144,652/4,618,806 = 4,618,806/x
3. Step 3: Cross multiply
   2,144,652x = 4,618,806 × 4,618,806
4. Step 4: Simplify right side
   2,144,652x = 21,333,368,865,636
5. Step 5: Solve for x
   x = 21,333,368,865,636/2,144,652
6. Step 6: Final answer
   x = 9,947,240.33