Finding the Third Proportional to 478,288 and 1,049,456

Step by Step Solution

1. Step 1: Write the proportion equation
   478,288 : 1,049,456 = 1,049,456 : x
2. Step 2: Convert to fraction form
   478,288/1,049,456 = 1,049,456/x
3. Step 3: Cross multiply
   478,288x = 1,049,456 × 1,049,456
4. Step 4: Simplify right side
   478,288x = 1,101,357,895,936
5. Step 5: Solve for x
   x = 1,101,357,895,936/478,288
6. Step 6: Final answer
   x = 2,302,708.61