Finding the Third Proportional to 716,618 and 1,084,191

Step by Step Solution

1. Step 1: Write the proportion equation
   716,618 : 1,084,191 = 1,084,191 : x
2. Step 2: Convert to fraction form
   716,618/1,084,191 = 1,084,191/x
3. Step 3: Cross multiply
   716,618x = 1,084,191 × 1,084,191
4. Step 4: Simplify right side
   716,618x = 1,175,470,124,481
5. Step 5: Solve for x
   x = 1,175,470,124,481/716,618
6. Step 6: Final answer
   x = 1,640,302.26