Finding the Third Proportional to 1,972,701 and 4,245,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,701 : 4,245,020 = 4,245,020 : x
2. Step 2: Convert to fraction form
   1,972,701/4,245,020 = 4,245,020/x
3. Step 3: Cross multiply
   1,972,701x = 4,245,020 × 4,245,020
4. Step 4: Simplify right side
   1,972,701x = 18,020,194,800,400
5. Step 5: Solve for x
   x = 18,020,194,800,400/1,972,701
6. Step 6: Final answer
   x = 9,134,782.62