Finding the Third Proportional to 1,970,388 and 4,244,631

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,388 : 4,244,631 = 4,244,631 : x
2. Step 2: Convert to fraction form
   1,970,388/4,244,631 = 4,244,631/x
3. Step 3: Cross multiply
   1,970,388x = 4,244,631 × 4,244,631
4. Step 4: Simplify right side
   1,970,388x = 18,016,892,326,161
5. Step 5: Solve for x
   x = 18,016,892,326,161/1,970,388
6. Step 6: Final answer
   x = 9,143,829.71