Finding the Third Proportional to 1,819,154 and 2,728,503

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819,154 : 2,728,503 = 2,728,503 : x
2. Step 2: Convert to fraction form
   1,819,154/2,728,503 = 2,728,503/x
3. Step 3: Cross multiply
   1,819,154x = 2,728,503 × 2,728,503
4. Step 4: Simplify right side
   1,819,154x = 7,444,728,621,009
5. Step 5: Solve for x
   x = 7,444,728,621,009/1,819,154
6. Step 6: Final answer
   x = 4,092,412.53