Finding the Third Proportional to 817,182 and 1,268,274

Step by Step Solution

1. Step 1: Write the proportion equation
   817,182 : 1,268,274 = 1,268,274 : x
2. Step 2: Convert to fraction form
   817,182/1,268,274 = 1,268,274/x
3. Step 3: Cross multiply
   817,182x = 1,268,274 × 1,268,274
4. Step 4: Simplify right side
   817,182x = 1,608,518,939,076
5. Step 5: Solve for x
   x = 1,608,518,939,076/817,182
6. Step 6: Final answer
   x = 1,968,372.94