Finding the Third Proportional to 3,328,287 and 7,186,920

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328,287 : 7,186,920 = 7,186,920 : x
2. Step 2: Convert to fraction form
   3,328,287/7,186,920 = 7,186,920/x
3. Step 3: Cross multiply
   3,328,287x = 7,186,920 × 7,186,920
4. Step 4: Simplify right side
   3,328,287x = 51,651,819,086,400
5. Step 5: Solve for x
   x = 51,651,819,086,400/3,328,287
6. Step 6: Final answer
   x = 15,519,040.00