Finding the Third Proportional to 3,559,235 and 8,398,344

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,235 : 8,398,344 = 8,398,344 : x
2. Step 2: Convert to fraction form
   3,559,235/8,398,344 = 8,398,344/x
3. Step 3: Cross multiply
   3,559,235x = 8,398,344 × 8,398,344
4. Step 4: Simplify right side
   3,559,235x = 70,532,181,942,336
5. Step 5: Solve for x
   x = 70,532,181,942,336/3,559,235
6. Step 6: Final answer
   x = 19,816,669.02