Finding the Third Proportional to 743,284 and 1,121,886

Step by Step Solution

1. Step 1: Write the proportion equation
   743,284 : 1,121,886 = 1,121,886 : x
2. Step 2: Convert to fraction form
   743,284/1,121,886 = 1,121,886/x
3. Step 3: Cross multiply
   743,284x = 1,121,886 × 1,121,886
4. Step 4: Simplify right side
   743,284x = 1,258,628,196,996
5. Step 5: Solve for x
   x = 1,258,628,196,996/743,284
6. Step 6: Final answer
   x = 1,693,334.17