Finding the Third Proportional to 1,972,700 and 4,245,019

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,700 : 4,245,019 = 4,245,019 : x
2. Step 2: Convert to fraction form
   1,972,700/4,245,019 = 4,245,019/x
3. Step 3: Cross multiply
   1,972,700x = 4,245,019 × 4,245,019
4. Step 4: Simplify right side
   1,972,700x = 18,020,186,310,361
5. Step 5: Solve for x
   x = 18,020,186,310,361/1,972,700
6. Step 6: Final answer
   x = 9,134,782.94