Finding the Third Proportional to 1,945,198 and 4,226,782

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,198 : 4,226,782 = 4,226,782 : x
2. Step 2: Convert to fraction form
   1,945,198/4,226,782 = 4,226,782/x
3. Step 3: Cross multiply
   1,945,198x = 4,226,782 × 4,226,782
4. Step 4: Simplify right side
   1,945,198x = 17,865,686,075,524
5. Step 5: Solve for x
   x = 17,865,686,075,524/1,945,198
6. Step 6: Final answer
   x = 9,184,507.73