Finding the Third Proportional to 717,927 and 1,111,509

Step by Step Solution

1. Step 1: Write the proportion equation
   717,927 : 1,111,509 = 1,111,509 : x
2. Step 2: Convert to fraction form
   717,927/1,111,509 = 1,111,509/x
3. Step 3: Cross multiply
   717,927x = 1,111,509 × 1,111,509
4. Step 4: Simplify right side
   717,927x = 1,235,452,257,081
5. Step 5: Solve for x
   x = 1,235,452,257,081/717,927
6. Step 6: Final answer
   x = 1,720,860.56