Finding the Third Proportional to 4,042,860 and 8,845,344

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,860 : 8,845,344 = 8,845,344 : x
2. Step 2: Convert to fraction form
   4,042,860/8,845,344 = 8,845,344/x
3. Step 3: Cross multiply
   4,042,860x = 8,845,344 × 8,845,344
4. Step 4: Simplify right side
   4,042,860x = 78,240,110,478,336
5. Step 5: Solve for x
   x = 78,240,110,478,336/4,042,860
6. Step 6: Final answer
   x = 19,352,663.83