Finding the Third Proportional to 235,387.69 and 342,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   235,387.69 : 342,145.69 = 342,145.69 : x
2. Step 2: Convert to fraction form
   235,387.69/342,145.69 = 342,145.69/x
3. Step 3: Cross multiply
   235,387.69x = 342,145.69 × 342,145.69
4. Step 4: Simplify right side
   235,387.69x = 117,063,671,474.85
5. Step 5: Solve for x
   x = 117,063,671,474.85/235,387.69
6. Step 6: Final answer
   x = 497,322.83