Finding the Third Proportional to 158,311 and 231,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,311 : 231,922.50 = 231,922.50 : x
2. Step 2: Convert to fraction form
   158,311/231,922.50 = 231,922.50/x
3. Step 3: Cross multiply
   158,311x = 231,922.50 × 231,922.50
4. Step 4: Simplify right side
   158,311x = 53,788,046,006.25
5. Step 5: Solve for x
   x = 53,788,046,006.25/158,311
6. Step 6: Final answer
   x = 339,761.90