Finding the Third Proportional to 1,503,435 and 3,278,211

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,435 : 3,278,211 = 3,278,211 : x
2. Step 2: Convert to fraction form
   1,503,435/3,278,211 = 3,278,211/x
3. Step 3: Cross multiply
   1,503,435x = 3,278,211 × 3,278,211
4. Step 4: Simplify right side
   1,503,435x = 10,746,667,360,521
5. Step 5: Solve for x
   x = 10,746,667,360,521/1,503,435
6. Step 6: Final answer
   x = 7,148,075.81