Finding the Third Proportional to 1,188,938 and 2,563,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,938 : 2,563,636 = 2,563,636 : x
2. Step 2: Convert to fraction form
   1,188,938/2,563,636 = 2,563,636/x
3. Step 3: Cross multiply
   1,188,938x = 2,563,636 × 2,563,636
4. Step 4: Simplify right side
   1,188,938x = 6,572,229,540,496
5. Step 5: Solve for x
   x = 6,572,229,540,496/1,188,938
6. Step 6: Final answer
   x = 5,527,815.19