Finding the Third Proportional to 231,660 and 502,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   231,660 : 502,554.38 = 502,554.38 : x
2. Step 2: Convert to fraction form
   231,660/502,554.38 = 502,554.38/x
3. Step 3: Cross multiply
   231,660x = 502,554.38 × 502,554.38
4. Step 4: Simplify right side
   231,660x = 252,560,899,831.64
5. Step 5: Solve for x
   x = 252,560,899,831.64/231,660
6. Step 6: Final answer
   x = 1,090,222.31