Finding the Third Proportional to 231,628 and 367,070

Step by Step Solution

1. Step 1: Write the proportion equation
   231,628 : 367,070 = 367,070 : x
2. Step 2: Convert to fraction form
   231,628/367,070 = 367,070/x
3. Step 3: Cross multiply
   231,628x = 367,070 × 367,070
4. Step 4: Simplify right side
   231,628x = 134,740,384,900
5. Step 5: Solve for x
   x = 134,740,384,900/231,628
6. Step 6: Final answer
   x = 581,710.26