Finding the Third Proportional to 478,680 and 1,036,608

Step by Step Solution

1. Step 1: Write the proportion equation
   478,680 : 1,036,608 = 1,036,608 : x
2. Step 2: Convert to fraction form
   478,680/1,036,608 = 1,036,608/x
3. Step 3: Cross multiply
   478,680x = 1,036,608 × 1,036,608
4. Step 4: Simplify right side
   478,680x = 1,074,556,145,664
5. Step 5: Solve for x
   x = 1,074,556,145,664/478,680
6. Step 6: Final answer
   x = 2,244,831.92