Finding the Third Proportional to 152,498 and 231,339

Step by Step Solution

1. Step 1: Write the proportion equation
   152,498 : 231,339 = 231,339 : x
2. Step 2: Convert to fraction form
   152,498/231,339 = 231,339/x
3. Step 3: Cross multiply
   152,498x = 231,339 × 231,339
4. Step 4: Simplify right side
   152,498x = 53,517,732,921
5. Step 5: Solve for x
   x = 53,517,732,921/152,498
6. Step 6: Final answer
   x = 350,940.56