Finding the Third Proportional to 4,042,842 and 8,845,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,842 : 8,845,308 = 8,845,308 : x
2. Step 2: Convert to fraction form
   4,042,842/8,845,308 = 8,845,308/x
3. Step 3: Cross multiply
   4,042,842x = 8,845,308 × 8,845,308
4. Step 4: Simplify right side
   4,042,842x = 78,239,473,614,864
5. Step 5: Solve for x
   x = 78,239,473,614,864/4,042,842
6. Step 6: Final answer
   x = 19,352,592.46