Finding the Third Proportional to 3,567,815 and 7,431,118

Step by Step Solution

1. Step 1: Write the proportion equation
   3,567,815 : 7,431,118 = 7,431,118 : x
2. Step 2: Convert to fraction form
   3,567,815/7,431,118 = 7,431,118/x
3. Step 3: Cross multiply
   3,567,815x = 7,431,118 × 7,431,118
4. Step 4: Simplify right side
   3,567,815x = 55,221,514,729,924
5. Step 5: Solve for x
   x = 55,221,514,729,924/3,567,815
6. Step 6: Final answer
   x = 15,477,684.45