Finding the Third Proportional to 7,202,770 and 10,987,039

Step by Step Solution

1. Step 1: Write the proportion equation
   7,202,770 : 10,987,039 = 10,987,039 : x
2. Step 2: Convert to fraction form
   7,202,770/10,987,039 = 10,987,039/x
3. Step 3: Cross multiply
   7,202,770x = 10,987,039 × 10,987,039
4. Step 4: Simplify right side
   7,202,770x = 120,715,025,987,521
5. Step 5: Solve for x
   x = 120,715,025,987,521/7,202,770
6. Step 6: Final answer
   x = 16,759,528.07