Finding the Third Proportional to 235,465.50 and 342,258

Step by Step Solution

1. Step 1: Write the proportion equation
   235,465.50 : 342,258 = 342,258 : x
2. Step 2: Convert to fraction form
   235,465.50/342,258 = 342,258/x
3. Step 3: Cross multiply
   235,465.50x = 342,258 × 342,258
4. Step 4: Simplify right side
   235,465.50x = 117,140,538,564
5. Step 5: Solve for x
   x = 117,140,538,564/235,465.50
6. Step 6: Final answer
   x = 497,484.93