Finding the Third Proportional to 2,806,144 and 4,519,317

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806,144 : 4,519,317 = 4,519,317 : x
2. Step 2: Convert to fraction form
   2,806,144/4,519,317 = 4,519,317/x
3. Step 3: Cross multiply
   2,806,144x = 4,519,317 × 4,519,317
4. Step 4: Simplify right side
   2,806,144x = 20,424,226,146,489
5. Step 5: Solve for x
   x = 20,424,226,146,489/2,806,144
6. Step 6: Final answer
   x = 7,278,395.60