Finding the Third Proportional to 725,618 and 1,126,323

Step by Step Solution

1. Step 1: Write the proportion equation
   725,618 : 1,126,323 = 1,126,323 : x
2. Step 2: Convert to fraction form
   725,618/1,126,323 = 1,126,323/x
3. Step 3: Cross multiply
   725,618x = 1,126,323 × 1,126,323
4. Step 4: Simplify right side
   725,618x = 1,268,603,500,329
5. Step 5: Solve for x
   x = 1,268,603,500,329/725,618
6. Step 6: Final answer
   x = 1,748,307.65