Finding the Third Proportional to 4,042,838 and 8,845,300

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,838 : 8,845,300 = 8,845,300 : x
2. Step 2: Convert to fraction form
   4,042,838/8,845,300 = 8,845,300/x
3. Step 3: Cross multiply
   4,042,838x = 8,845,300 × 8,845,300
4. Step 4: Simplify right side
   4,042,838x = 78,239,332,090,000
5. Step 5: Solve for x
   x = 78,239,332,090,000/4,042,838
6. Step 6: Final answer
   x = 19,352,576.60