Finding the Third Proportional to 494,580 and 1,059,128

Step by Step Solution

1. Step 1: Write the proportion equation
   494,580 : 1,059,128 = 1,059,128 : x
2. Step 2: Convert to fraction form
   494,580/1,059,128 = 1,059,128/x
3. Step 3: Cross multiply
   494,580x = 1,059,128 × 1,059,128
4. Step 4: Simplify right side
   494,580x = 1,121,752,120,384
5. Step 5: Solve for x
   x = 1,121,752,120,384/494,580
6. Step 6: Final answer
   x = 2,268,090.34