Finding the Third Proportional to 3,531,474 and 5,308,011

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531,474 : 5,308,011 = 5,308,011 : x
2. Step 2: Convert to fraction form
   3,531,474/5,308,011 = 5,308,011/x
3. Step 3: Cross multiply
   3,531,474x = 5,308,011 × 5,308,011
4. Step 4: Simplify right side
   3,531,474x = 28,174,980,776,121
5. Step 5: Solve for x
   x = 28,174,980,776,121/3,531,474
6. Step 6: Final answer
   x = 7,978,249.53