Finding the Third Proportional to 717,918 and 1,111,494

Step by Step Solution

1. Step 1: Write the proportion equation
   717,918 : 1,111,494 = 1,111,494 : x
2. Step 2: Convert to fraction form
   717,918/1,111,494 = 1,111,494/x
3. Step 3: Cross multiply
   717,918x = 1,111,494 × 1,111,494
4. Step 4: Simplify right side
   717,918x = 1,235,418,912,036
5. Step 5: Solve for x
   x = 1,235,418,912,036/717,918
6. Step 6: Final answer
   x = 1,720,835.68