Finding the Third Proportional to 3,545,020 and 5,499,618

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,020 : 5,499,618 = 5,499,618 : x
2. Step 2: Convert to fraction form
   3,545,020/5,499,618 = 5,499,618/x
3. Step 3: Cross multiply
   3,545,020x = 5,499,618 × 5,499,618
4. Step 4: Simplify right side
   3,545,020x = 30,245,798,145,924
5. Step 5: Solve for x
   x = 30,245,798,145,924/3,545,020
6. Step 6: Final answer
   x = 8,531,911.85