Finding the Third Proportional to 478,124 and 1,040,368

Step by Step Solution

1. Step 1: Write the proportion equation
   478,124 : 1,040,368 = 1,040,368 : x
2. Step 2: Convert to fraction form
   478,124/1,040,368 = 1,040,368/x
3. Step 3: Cross multiply
   478,124x = 1,040,368 × 1,040,368
4. Step 4: Simplify right side
   478,124x = 1,082,365,575,424
5. Step 5: Solve for x
   x = 1,082,365,575,424/478,124
6. Step 6: Final answer
   x = 2,263,775.87