Finding the Third Proportional to 717,929 and 1,111,512

Step by Step Solution

1. Step 1: Write the proportion equation
   717,929 : 1,111,512 = 1,111,512 : x
2. Step 2: Convert to fraction form
   717,929/1,111,512 = 1,111,512/x
3. Step 3: Cross multiply
   717,929x = 1,111,512 × 1,111,512
4. Step 4: Simplify right side
   717,929x = 1,235,458,926,144
5. Step 5: Solve for x
   x = 1,235,458,926,144/717,929
6. Step 6: Final answer
   x = 1,720,865.05