Finding the Third Proportional to 731,736 and 1,140,408

Step by Step Solution

1. Step 1: Write the proportion equation
   731,736 : 1,140,408 = 1,140,408 : x
2. Step 2: Convert to fraction form
   731,736/1,140,408 = 1,140,408/x
3. Step 3: Cross multiply
   731,736x = 1,140,408 × 1,140,408
4. Step 4: Simplify right side
   731,736x = 1,300,530,406,464
5. Step 5: Solve for x
   x = 1,300,530,406,464/731,736
6. Step 6: Final answer
   x = 1,777,321.88