Finding the Third Proportional to 563,638 and 1,248,804

Step by Step Solution

1. Step 1: Write the proportion equation
   563,638 : 1,248,804 = 1,248,804 : x
2. Step 2: Convert to fraction form
   563,638/1,248,804 = 1,248,804/x
3. Step 3: Cross multiply
   563,638x = 1,248,804 × 1,248,804
4. Step 4: Simplify right side
   563,638x = 1,559,511,430,416
5. Step 5: Solve for x
   x = 1,559,511,430,416/563,638
6. Step 6: Final answer
   x = 2,766,867.09