Finding the Third Proportional to 3,321,708 and 7,176,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,708 : 7,176,072 = 7,176,072 : x
2. Step 2: Convert to fraction form
   3,321,708/7,176,072 = 7,176,072/x
3. Step 3: Cross multiply
   3,321,708x = 7,176,072 × 7,176,072
4. Step 4: Simplify right side
   3,321,708x = 51,496,009,349,184
5. Step 5: Solve for x
   x = 51,496,009,349,184/3,321,708
6. Step 6: Final answer
   x = 15,502,870.62