Finding the Third Proportional to 3,458,638 and 5,525,229

Step by Step Solution

1. Step 1: Write the proportion equation
   3,458,638 : 5,525,229 = 5,525,229 : x
2. Step 2: Convert to fraction form
   3,458,638/5,525,229 = 5,525,229/x
3. Step 3: Cross multiply
   3,458,638x = 5,525,229 × 5,525,229
4. Step 4: Simplify right side
   3,458,638x = 30,528,155,502,441
5. Step 5: Solve for x
   x = 30,528,155,502,441/3,458,638
6. Step 6: Final answer
   x = 8,826,640.86