Finding the Third Proportional to 950,440 and 1,256,308

Step by Step Solution

1. Step 1: Write the proportion equation
   950,440 : 1,256,308 = 1,256,308 : x
2. Step 2: Convert to fraction form
   950,440/1,256,308 = 1,256,308/x
3. Step 3: Cross multiply
   950,440x = 1,256,308 × 1,256,308
4. Step 4: Simplify right side
   950,440x = 1,578,309,790,864
5. Step 5: Solve for x
   x = 1,578,309,790,864/950,440
6. Step 6: Final answer
   x = 1,660,609.60