Finding the Third Proportional to 4,042,892 and 8,845,384

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,892 : 8,845,384 = 8,845,384 : x
2. Step 2: Convert to fraction form
   4,042,892/8,845,384 = 8,845,384/x
3. Step 3: Cross multiply
   4,042,892x = 8,845,384 × 8,845,384
4. Step 4: Simplify right side
   4,042,892x = 78,240,818,107,456
5. Step 5: Solve for x
   x = 78,240,818,107,456/4,042,892
6. Step 6: Final answer
   x = 19,352,685.68