Finding the Third Proportional to 717,910 and 1,111,483

Step by Step Solution

1. Step 1: Write the proportion equation
   717,910 : 1,111,483 = 1,111,483 : x
2. Step 2: Convert to fraction form
   717,910/1,111,483 = 1,111,483/x
3. Step 3: Cross multiply
   717,910x = 1,111,483 × 1,111,483
4. Step 4: Simplify right side
   717,910x = 1,235,394,459,289
5. Step 5: Solve for x
   x = 1,235,394,459,289/717,910
6. Step 6: Final answer
   x = 1,720,820.80