Finding the Third Proportional to 236,424 and 353,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,424 : 353,800.50 = 353,800.50 : x
2. Step 2: Convert to fraction form
   236,424/353,800.50 = 353,800.50/x
3. Step 3: Cross multiply
   236,424x = 353,800.50 × 353,800.50
4. Step 4: Simplify right side
   236,424x = 125,174,793,800.25
5. Step 5: Solve for x
   x = 125,174,793,800.25/236,424
6. Step 6: Final answer
   x = 529,450.45