Finding the Third Proportional to 1,970,209 and 4,254,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,209 : 4,254,770 = 4,254,770 : x
2. Step 2: Convert to fraction form
   1,970,209/4,254,770 = 4,254,770/x
3. Step 3: Cross multiply
   1,970,209x = 4,254,770 × 4,254,770
4. Step 4: Simplify right side
   1,970,209x = 18,103,067,752,900
5. Step 5: Solve for x
   x = 18,103,067,752,900/1,970,209
6. Step 6: Final answer
   x = 9,188,399.68