Finding the Third Proportional to 543,614 and 799,443

Step by Step Solution

1. Step 1: Write the proportion equation
   543,614 : 799,443 = 799,443 : x
2. Step 2: Convert to fraction form
   543,614/799,443 = 799,443/x
3. Step 3: Cross multiply
   543,614x = 799,443 × 799,443
4. Step 4: Simplify right side
   543,614x = 639,109,110,249
5. Step 5: Solve for x
   x = 639,109,110,249/543,614
6. Step 6: Final answer
   x = 1,175,667.13