Finding the Third Proportional to 4,245,569 and 8,970,338

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245,569 : 8,970,338 = 8,970,338 : x
2. Step 2: Convert to fraction form
   4,245,569/8,970,338 = 8,970,338/x
3. Step 3: Cross multiply
   4,245,569x = 8,970,338 × 8,970,338
4. Step 4: Simplify right side
   4,245,569x = 80,466,963,834,244
5. Step 5: Solve for x
   x = 80,466,963,834,244/4,245,569
6. Step 6: Final answer
   x = 18,953,163.60