Finding the Third Proportional to 3,344,916 and 7,121,352

Step by Step Solution

1. Step 1: Write the proportion equation
   3,344,916 : 7,121,352 = 7,121,352 : x
2. Step 2: Convert to fraction form
   3,344,916/7,121,352 = 7,121,352/x
3. Step 3: Cross multiply
   3,344,916x = 7,121,352 × 7,121,352
4. Step 4: Simplify right side
   3,344,916x = 50,713,654,307,904
5. Step 5: Solve for x
   x = 50,713,654,307,904/3,344,916
6. Step 6: Final answer
   x = 15,161,413.41