Finding the Third Proportional to 661,940 and 1,022,867

Step by Step Solution

1. Step 1: Write the proportion equation
   661,940 : 1,022,867 = 1,022,867 : x
2. Step 2: Convert to fraction form
   661,940/1,022,867 = 1,022,867/x
3. Step 3: Cross multiply
   661,940x = 1,022,867 × 1,022,867
4. Step 4: Simplify right side
   661,940x = 1,046,256,899,689
5. Step 5: Solve for x
   x = 1,046,256,899,689/661,940
6. Step 6: Final answer
   x = 1,580,591.75