Finding the Third Proportional to 236,408.50 and 354,856

Step by Step Solution

1. Step 1: Write the proportion equation
   236,408.50 : 354,856 = 354,856 : x
2. Step 2: Convert to fraction form
   236,408.50/354,856 = 354,856/x
3. Step 3: Cross multiply
   236,408.50x = 354,856 × 354,856
4. Step 4: Simplify right side
   236,408.50x = 125,922,780,736
5. Step 5: Solve for x
   x = 125,922,780,736/236,408.50
6. Step 6: Final answer
   x = 532,649.13