Finding the Third Proportional to 1,972,698 and 4,245,015

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,698 : 4,245,015 = 4,245,015 : x
2. Step 2: Convert to fraction form
   1,972,698/4,245,015 = 4,245,015/x
3. Step 3: Cross multiply
   1,972,698x = 4,245,015 × 4,245,015
4. Step 4: Simplify right side
   1,972,698x = 18,020,152,350,225
5. Step 5: Solve for x
   x = 18,020,152,350,225/1,972,698
6. Step 6: Final answer
   x = 9,134,774.99