Finding the Third Proportional to 721,668 and 1,099,524

Step by Step Solution

1. Step 1: Write the proportion equation
   721,668 : 1,099,524 = 1,099,524 : x
2. Step 2: Convert to fraction form
   721,668/1,099,524 = 1,099,524/x
3. Step 3: Cross multiply
   721,668x = 1,099,524 × 1,099,524
4. Step 4: Simplify right side
   721,668x = 1,208,953,026,576
5. Step 5: Solve for x
   x = 1,208,953,026,576/721,668
6. Step 6: Final answer
   x = 1,675,220.50