Finding the Third Proportional to 553,328 and 1,208,608

Step by Step Solution

1. Step 1: Write the proportion equation
   553,328 : 1,208,608 = 1,208,608 : x
2. Step 2: Convert to fraction form
   553,328/1,208,608 = 1,208,608/x
3. Step 3: Cross multiply
   553,328x = 1,208,608 × 1,208,608
4. Step 4: Simplify right side
   553,328x = 1,460,733,297,664
5. Step 5: Solve for x
   x = 1,460,733,297,664/553,328
6. Step 6: Final answer
   x = 2,639,904.90