Finding the Third Proportional to 2,152,806 and 4,528,668

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,806 : 4,528,668 = 4,528,668 : x
2. Step 2: Convert to fraction form
   2,152,806/4,528,668 = 4,528,668/x
3. Step 3: Cross multiply
   2,152,806x = 4,528,668 × 4,528,668
4. Step 4: Simplify right side
   2,152,806x = 20,508,833,854,224
5. Step 5: Solve for x
   x = 20,508,833,854,224/2,152,806
6. Step 6: Final answer
   x = 9,526,559.22