Finding the Third Proportional to 109,478 and 236,950

Step by Step Solution

1. Step 1: Write the proportion equation
   109,478 : 236,950 = 236,950 : x
2. Step 2: Convert to fraction form
   109,478/236,950 = 236,950/x
3. Step 3: Cross multiply
   109,478x = 236,950 × 236,950
4. Step 4: Simplify right side
   109,478x = 56,145,302,500
5. Step 5: Solve for x
   x = 56,145,302,500/109,478
6. Step 6: Final answer
   x = 512,845.53