Finding the Third Proportional to 4,131,368 and 8,948,806

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,368 : 8,948,806 = 8,948,806 : x
2. Step 2: Convert to fraction form
   4,131,368/8,948,806 = 8,948,806/x
3. Step 3: Cross multiply
   4,131,368x = 8,948,806 × 8,948,806
4. Step 4: Simplify right side
   4,131,368x = 80,081,128,825,636
5. Step 5: Solve for x
   x = 80,081,128,825,636/4,131,368
6. Step 6: Final answer
   x = 19,383,683.28