Finding the Third Proportional to 1,515,086 and 3,240,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,086 : 3,240,304 = 3,240,304 : x
2. Step 2: Convert to fraction form
   1,515,086/3,240,304 = 3,240,304/x
3. Step 3: Cross multiply
   1,515,086x = 3,240,304 × 3,240,304
4. Step 4: Simplify right side
   1,515,086x = 10,499,570,012,416
5. Step 5: Solve for x
   x = 10,499,570,012,416/1,515,086
6. Step 6: Final answer
   x = 6,930,015.86