Finding the Third Proportional to 1,164,288 and 2,505,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,288 : 2,505,636 = 2,505,636 : x
2. Step 2: Convert to fraction form
   1,164,288/2,505,636 = 2,505,636/x
3. Step 3: Cross multiply
   1,164,288x = 2,505,636 × 2,505,636
4. Step 4: Simplify right side
   1,164,288x = 6,278,211,764,496
5. Step 5: Solve for x
   x = 6,278,211,764,496/1,164,288
6. Step 6: Final answer
   x = 5,392,318.54