Finding the Third Proportional to 4,245,568 and 8,970,336

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245,568 : 8,970,336 = 8,970,336 : x
2. Step 2: Convert to fraction form
   4,245,568/8,970,336 = 8,970,336/x
3. Step 3: Cross multiply
   4,245,568x = 8,970,336 × 8,970,336
4. Step 4: Simplify right side
   4,245,568x = 80,466,927,952,896
5. Step 5: Solve for x
   x = 80,466,927,952,896/4,245,568
6. Step 6: Final answer
   x = 18,953,159.61