Finding the Third Proportional to 147,828.38 and 324,270

Step by Step Solution

1. Step 1: Write the proportion equation
   147,828.38 : 324,270 = 324,270 : x
2. Step 2: Convert to fraction form
   147,828.38/324,270 = 324,270/x
3. Step 3: Cross multiply
   147,828.38x = 324,270 × 324,270
4. Step 4: Simplify right side
   147,828.38x = 105,151,032,900
5. Step 5: Solve for x
   x = 105,151,032,900/147,828.38
6. Step 6: Final answer
   x = 711,304.80