Finding the Third Proportional to 235,399.50 and 342,162

Step by Step Solution

1. Step 1: Write the proportion equation
   235,399.50 : 342,162 = 342,162 : x
2. Step 2: Convert to fraction form
   235,399.50/342,162 = 342,162/x
3. Step 3: Cross multiply
   235,399.50x = 342,162 × 342,162
4. Step 4: Simplify right side
   235,399.50x = 117,074,834,244
5. Step 5: Solve for x
   x = 117,074,834,244/235,399.50
6. Step 6: Final answer
   x = 497,345.30