Finding the Third Proportional to 235,003.50 and 342,600

Step by Step Solution

1. Step 1: Write the proportion equation
   235,003.50 : 342,600 = 342,600 : x
2. Step 2: Convert to fraction form
   235,003.50/342,600 = 342,600/x
3. Step 3: Cross multiply
   235,003.50x = 342,600 × 342,600
4. Step 4: Simplify right side
   235,003.50x = 117,374,760,000
5. Step 5: Solve for x
   x = 117,374,760,000/235,003.50
6. Step 6: Final answer
   x = 499,459.63