Finding the Third Proportional to 4,042,839 and 8,845,302

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,839 : 8,845,302 = 8,845,302 : x
2. Step 2: Convert to fraction form
   4,042,839/8,845,302 = 8,845,302/x
3. Step 3: Cross multiply
   4,042,839x = 8,845,302 × 8,845,302
4. Step 4: Simplify right side
   4,042,839x = 78,239,367,471,204
5. Step 5: Solve for x
   x = 78,239,367,471,204/4,042,839
6. Step 6: Final answer
   x = 19,352,580.57