Finding the Third Proportional to 886,608 and 1,188,216

Step by Step Solution

1. Step 1: Write the proportion equation
   886,608 : 1,188,216 = 1,188,216 : x
2. Step 2: Convert to fraction form
   886,608/1,188,216 = 1,188,216/x
3. Step 3: Cross multiply
   886,608x = 1,188,216 × 1,188,216
4. Step 4: Simplify right side
   886,608x = 1,411,857,262,656
5. Step 5: Solve for x
   x = 1,411,857,262,656/886,608
6. Step 6: Final answer
   x = 1,592,425.58