Finding the Third Proportional to 231,620 and 367,059

Step by Step Solution

1. Step 1: Write the proportion equation
   231,620 : 367,059 = 367,059 : x
2. Step 2: Convert to fraction form
   231,620/367,059 = 367,059/x
3. Step 3: Cross multiply
   231,620x = 367,059 × 367,059
4. Step 4: Simplify right side
   231,620x = 134,732,309,481
5. Step 5: Solve for x
   x = 134,732,309,481/231,620
6. Step 6: Final answer
   x = 581,695.49